20928763800

素因数分解:

$2^3\times 3^5\times 5^2\times 7^1\times {\mathrm{61519}}^1$

素因数の和:61557

約数の個数: 288

約数和(自身を含む): 83303001600

約数和(自身を除く): 62374237800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 27, 28, 30, 35, 36, 40, 42, 45, 50, 54, 56, 60, 63, 70, 72, 75, 81, 84, 90, 100, 105, 108, 120, 126, 135, 140, 150, 162, 168, 175, 180, 189, 200, 210, 216, 225, 243, 252, 270, 280, 300, 315, 324, 350, 360, 378, 405, 420, 450, 486, 504, 525, 540, 567, 600, 630, 648, 675, 700, 756, 810, 840, 900, 945, 972, 1050, 1080, 1134, 1215, 1260, 1350, 1400, 1512, 1575, 1620, 1701, 1800, 1890, 1944, 2025, 2100, 2268, 2430, 2520, 2700, 2835, 3150, 3240, 3402, 3780, 4050, 4200, 4536, 4725, 4860, 5400, 5670, 6075, 6300, 6804, 7560, 8100, 8505, 9450, 9720, 11340, 12150, 12600, 13608, 14175, 16200, 17010, 18900, 22680, 24300, 28350, 34020, 37800, 42525, 48600, 56700, 61519, 68040, 85050, 113400, 123038, 170100, 184557, 246076, 307595, 340200, 369114, 430633, 492152, 553671, 615190, 738228, 861266, 922785, 1107342, 1230380, 1291899, 1476456, 1537975, 1661013, 1722532, 1845570, 2153165, 2214684, 2460760, 2583798, 2768355, 3075950, 3322026, 3445064, 3691140, 3875697, 4306330, 4429368, 4613925, 4983039, 5167596, 5536710, 6151900, 6459495, 6644052, 7382280, 7751394, 8305065, 8612660, 9227850, 9966078, 10335192, 10765825, 11073420, 11627091, 12303800, 12918990, 13288104, 13841775, 14949117, 15502788, 16610130, 17225320, 18455700, 19378485, 19932156, 21531650, 22146840, 23254182, 24915195, 25837980, 27683550, 29898234, 31005576, 32297475, 33220260, 34881273, 36911400, 38756970, 39864312, 41525325, 43063300, 46508364, 49830390, 51675960, 55367100, 58135455, 59796468, 64594950, 66440520, 69762546, 74745585, 77513940, 83050650, 86126600, 93016728, 96892425, 99660780, 104643819, 110734200, 116270910, 119592936, 124575975, 129189900, 139525092, 149491170, 155027880, 166101300, 174406365, 193784850, 199321560, 209287638, 232541820, 249151950, 258379800, 279050184, 290677275, 298982340, 332202600, 348812730, 373727925, 387569700, 418575276, 465083640, 498303900, 523219095, 581354550, 597964680, 697625460, 747455850, 775139400, 837150552, 872031825, 996607800, 1046438190, 1162709100, 1395250920, 1494911700, 1744063650, 2092876380, 2325418200, 2616095475, 2989823400, 3488127300, 4185752760, 5232190950, 6976254600, 10464381900, 20928763800]

約数ペア:

[(1, 20928763800), (2, 10464381900), (3, 6976254600), (4, 5232190950), (5, 4185752760), (6, 3488127300), (7, 2989823400), (8, 2616095475), (9, 2325418200), (10, 2092876380), (12, 1744063650), (14, 1494911700), (15, 1395250920), (18, 1162709100), (20, 1046438190), (21, 996607800), (24, 872031825), (25, 837150552), (27, 775139400), (28, 747455850), (30, 697625460), (35, 597964680), (36, 581354550), (40, 523219095), (42, 498303900), (45, 465083640), (50, 418575276), (54, 387569700), (56, 373727925), (60, 348812730), (63, 332202600), (70, 298982340), (72, 290677275), (75, 279050184), (81, 258379800), (84, 249151950), (90, 232541820), (100, 209287638), (105, 199321560), (108, 193784850), (120, 174406365), (126, 166101300), (135, 155027880), (140, 149491170), (150, 139525092), (162, 129189900), (168, 124575975), (175, 119592936), (180, 116270910), (189, 110734200), (200, 104643819), (210, 99660780), (216, 96892425), (225, 93016728), (243, 86126600), (252, 83050650), (270, 77513940), (280, 74745585), (300, 69762546), (315, 66440520), (324, 64594950), (350, 59796468), (360, 58135455), (378, 55367100), (405, 51675960), (420, 49830390), (450, 46508364), (486, 43063300), (504, 41525325), (525, 39864312), (540, 38756970), (567, 36911400), (600, 34881273), (630, 33220260), (648, 32297475), (675, 31005576), (700, 29898234), (756, 27683550), (810, 25837980), (840, 24915195), (900, 23254182), (945, 22146840), (972, 21531650), (1050, 19932156), (1080, 19378485), (1134, 18455700), (1215, 17225320), (1260, 16610130), (1350, 15502788), (1400, 14949117), (1512, 13841775), (1575, 13288104), (1620, 12918990), (1701, 12303800), (1800, 11627091), (1890, 11073420), (1944, 10765825), (2025, 10335192), (2100, 9966078), (2268, 9227850), (2430, 8612660), (2520, 8305065), (2700, 7751394), (2835, 7382280), (3150, 6644052), (3240, 6459495), (3402, 6151900), (3780, 5536710), (4050, 5167596), (4200, 4983039), (4536, 4613925), (4725, 4429368), (4860, 4306330), (5400, 3875697), (5670, 3691140), (6075, 3445064), (6300, 3322026), (6804, 3075950), (7560, 2768355), (8100, 2583798), (8505, 2460760), (9450, 2214684), (9720, 2153165), (11340, 1845570), (12150, 1722532), (12600, 1661013), (13608, 1537975), (14175, 1476456), (16200, 1291899), (17010, 1230380), (18900, 1107342), (22680, 922785), (24300, 861266), (28350, 738228), (34020, 615190), (37800, 553671), (42525, 492152), (48600, 430633), (56700, 369114), (61519, 340200), (68040, 307595), (85050, 246076), (113400, 184557), (123038, 170100)]