16901820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:292

約数の個数: 144

約数和(自身を含む): 57238272

約数和(自身を除く): 40336452

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 155, 156, 180, 186, 195, 233, 234, 260, 279, 310, 372, 390, 403, 465, 466, 468, 558, 585, 620, 699, 780, 806, 930, 932, 1116, 1165, 1170, 1209, 1395, 1398, 1612, 1860, 2015, 2097, 2330, 2340, 2418, 2790, 2796, 3029, 3495, 3627, 4030, 4194, 4660, 4836, 5580, 6045, 6058, 6990, 7223, 7254, 8060, 8388, 9087, 10485, 12090, 12116, 13980, 14446, 14508, 15145, 18135, 18174, 20970, 21669, 24180, 27261, 28892, 30290, 36115, 36270, 36348, 41940, 43338, 45435, 54522, 60580, 65007, 72230, 72540, 86676, 90870, 93899, 108345, 109044, 130014, 136305, 144460, 181740, 187798, 216690, 260028, 272610, 281697, 325035, 375596, 433380, 469495, 545220, 563394, 650070, 845091, 938990, 1126788, 1300140, 1408485, 1690182, 1877980, 2816970, 3380364, 4225455, 5633940, 8450910, 16901820]

約数ペア:

[(1, 16901820), (2, 8450910), (3, 5633940), (4, 4225455), (5, 3380364), (6, 2816970), (9, 1877980), (10, 1690182), (12, 1408485), (13, 1300140), (15, 1126788), (18, 938990), (20, 845091), (26, 650070), (30, 563394), (31, 545220), (36, 469495), (39, 433380), (45, 375596), (52, 325035), (60, 281697), (62, 272610), (65, 260028), (78, 216690), (90, 187798), (93, 181740), (117, 144460), (124, 136305), (130, 130014), (155, 109044), (156, 108345), (180, 93899), (186, 90870), (195, 86676), (233, 72540), (234, 72230), (260, 65007), (279, 60580), (310, 54522), (372, 45435), (390, 43338), (403, 41940), (465, 36348), (466, 36270), (468, 36115), (558, 30290), (585, 28892), (620, 27261), (699, 24180), (780, 21669), (806, 20970), (930, 18174), (932, 18135), (1116, 15145), (1165, 14508), (1170, 14446), (1209, 13980), (1395, 12116), (1398, 12090), (1612, 10485), (1860, 9087), (2015, 8388), (2097, 8060), (2330, 7254), (2340, 7223), (2418, 6990), (2790, 6058), (2796, 6045), (3029, 5580), (3495, 4836), (3627, 4660), (4030, 4194)]