18755100

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1$

素因数の和:269

約数の個数: 216

約数和(自身を含む): 72668960

約数和(自身を除く): 53913860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 25, 26, 28, 30, 35, 36, 39, 42, 45, 50, 52, 60, 63, 65, 70, 75, 78, 84, 90, 91, 100, 105, 117, 126, 130, 140, 150, 156, 175, 180, 182, 195, 210, 225, 229, 234, 252, 260, 273, 300, 315, 325, 350, 364, 390, 420, 450, 455, 458, 468, 525, 546, 585, 630, 650, 687, 700, 780, 819, 900, 910, 916, 975, 1050, 1092, 1145, 1170, 1260, 1300, 1365, 1374, 1575, 1603, 1638, 1820, 1950, 2061, 2100, 2275, 2290, 2340, 2730, 2748, 2925, 2977, 3150, 3206, 3276, 3435, 3900, 4095, 4122, 4550, 4580, 4809, 5460, 5725, 5850, 5954, 6300, 6412, 6825, 6870, 8015, 8190, 8244, 8931, 9100, 9618, 10305, 11450, 11700, 11908, 13650, 13740, 14427, 14885, 16030, 16380, 17175, 17862, 19236, 20475, 20610, 20839, 22900, 24045, 26793, 27300, 28854, 29770, 32060, 34350, 35724, 40075, 40950, 41220, 41678, 44655, 48090, 51525, 53586, 57708, 59540, 62517, 68700, 72135, 74425, 80150, 81900, 83356, 89310, 96180, 103050, 104195, 107172, 120225, 125034, 133965, 144270, 148850, 160300, 178620, 187551, 206100, 208390, 223275, 240450, 250068, 267930, 288540, 297700, 312585, 360675, 375102, 416780, 446550, 480900, 520975, 535860, 625170, 669825, 721350, 750204, 893100, 937755, 1041950, 1250340, 1339650, 1442700, 1562925, 1875510, 2083900, 2679300, 3125850, 3751020, 4688775, 6251700, 9377550, 18755100]

約数ペア:

[(1, 18755100), (2, 9377550), (3, 6251700), (4, 4688775), (5, 3751020), (6, 3125850), (7, 2679300), (9, 2083900), (10, 1875510), (12, 1562925), (13, 1442700), (14, 1339650), (15, 1250340), (18, 1041950), (20, 937755), (21, 893100), (25, 750204), (26, 721350), (28, 669825), (30, 625170), (35, 535860), (36, 520975), (39, 480900), (42, 446550), (45, 416780), (50, 375102), (52, 360675), (60, 312585), (63, 297700), (65, 288540), (70, 267930), (75, 250068), (78, 240450), (84, 223275), (90, 208390), (91, 206100), (100, 187551), (105, 178620), (117, 160300), (126, 148850), (130, 144270), (140, 133965), (150, 125034), (156, 120225), (175, 107172), (180, 104195), (182, 103050), (195, 96180), (210, 89310), (225, 83356), (229, 81900), (234, 80150), (252, 74425), (260, 72135), (273, 68700), (300, 62517), (315, 59540), (325, 57708), (350, 53586), (364, 51525), (390, 48090), (420, 44655), (450, 41678), (455, 41220), (458, 40950), (468, 40075), (525, 35724), (546, 34350), (585, 32060), (630, 29770), (650, 28854), (687, 27300), (700, 26793), (780, 24045), (819, 22900), (900, 20839), (910, 20610), (916, 20475), (975, 19236), (1050, 17862), (1092, 17175), (1145, 16380), (1170, 16030), (1260, 14885), (1300, 14427), (1365, 13740), (1374, 13650), (1575, 11908), (1603, 11700), (1638, 11450), (1820, 10305), (1950, 9618), (2061, 9100), (2100, 8931), (2275, 8244), (2290, 8190), (2340, 8015), (2730, 6870), (2748, 6825), (2925, 6412), (2977, 6300), (3150, 5954), (3206, 5850), (3276, 5725), (3435, 5460), (3900, 4809), (4095, 4580), (4122, 4550)]