821431200

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{23}}^2\times {\mathrm{647}}^1$

素因数の和:716

約数の個数: 216

約数和(自身を含む): 2799383328

約数和(自身を除く): 1977952128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 25, 30, 32, 40, 46, 48, 50, 60, 69, 75, 80, 92, 96, 100, 115, 120, 138, 150, 160, 184, 200, 230, 240, 276, 300, 345, 368, 400, 460, 480, 529, 552, 575, 600, 647, 690, 736, 800, 920, 1058, 1104, 1150, 1200, 1294, 1380, 1587, 1725, 1840, 1941, 2116, 2208, 2300, 2400, 2588, 2645, 2760, 3174, 3235, 3450, 3680, 3882, 4232, 4600, 5176, 5290, 5520, 6348, 6470, 6900, 7764, 7935, 8464, 9200, 9705, 10352, 10580, 11040, 12696, 12940, 13225, 13800, 14881, 15528, 15870, 16175, 16928, 18400, 19410, 20704, 21160, 25392, 25880, 26450, 27600, 29762, 31056, 31740, 32350, 38820, 39675, 42320, 44643, 48525, 50784, 51760, 52900, 55200, 59524, 62112, 63480, 64700, 74405, 77640, 79350, 84640, 89286, 97050, 103520, 105800, 119048, 126960, 129400, 148810, 155280, 158700, 178572, 194100, 211600, 223215, 238096, 253920, 258800, 297620, 310560, 317400, 342263, 357144, 372025, 388200, 423200, 446430, 476192, 517600, 595240, 634800, 684526, 714288, 744050, 776400, 892860, 1026789, 1116075, 1190480, 1269600, 1369052, 1428576, 1488100, 1552800, 1711315, 1785720, 2053578, 2232150, 2380960, 2738104, 2976200, 3422630, 3571440, 4107156, 4464300, 5133945, 5476208, 5952400, 6845260, 7142880, 8214312, 8556575, 8928600, 10267890, 10952416, 11904800, 13690520, 16428624, 17113150, 17857200, 20535780, 25669725, 27381040, 32857248, 34226300, 35714400, 41071560, 51339450, 54762080, 68452600, 82143120, 102678900, 136905200, 164286240, 205357800, 273810400, 410715600, 821431200]

約数ペア:

[(1, 821431200), (2, 410715600), (3, 273810400), (4, 205357800), (5, 164286240), (6, 136905200), (8, 102678900), (10, 82143120), (12, 68452600), (15, 54762080), (16, 51339450), (20, 41071560), (23, 35714400), (24, 34226300), (25, 32857248), (30, 27381040), (32, 25669725), (40, 20535780), (46, 17857200), (48, 17113150), (50, 16428624), (60, 13690520), (69, 11904800), (75, 10952416), (80, 10267890), (92, 8928600), (96, 8556575), (100, 8214312), (115, 7142880), (120, 6845260), (138, 5952400), (150, 5476208), (160, 5133945), (184, 4464300), (200, 4107156), (230, 3571440), (240, 3422630), (276, 2976200), (300, 2738104), (345, 2380960), (368, 2232150), (400, 2053578), (460, 1785720), (480, 1711315), (529, 1552800), (552, 1488100), (575, 1428576), (600, 1369052), (647, 1269600), (690, 1190480), (736, 1116075), (800, 1026789), (920, 892860), (1058, 776400), (1104, 744050), (1150, 714288), (1200, 684526), (1294, 634800), (1380, 595240), (1587, 517600), (1725, 476192), (1840, 446430), (1941, 423200), (2116, 388200), (2208, 372025), (2300, 357144), (2400, 342263), (2588, 317400), (2645, 310560), (2760, 297620), (3174, 258800), (3235, 253920), (3450, 238096), (3680, 223215), (3882, 211600), (4232, 194100), (4600, 178572), (5176, 158700), (5290, 155280), (5520, 148810), (6348, 129400), (6470, 126960), (6900, 119048), (7764, 105800), (7935, 103520), (8464, 97050), (9200, 89286), (9705, 84640), (10352, 79350), (10580, 77640), (11040, 74405), (12696, 64700), (12940, 63480), (13225, 62112), (13800, 59524), (14881, 55200), (15528, 52900), (15870, 51760), (16175, 50784), (16928, 48525), (18400, 44643), (19410, 42320), (20704, 39675), (21160, 38820), (25392, 32350), (25880, 31740), (26450, 31056), (27600, 29762)]