1531101780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21107}}^1$

素因数の和:21166

約数の個数: 144

約数和(自身を含む): 5163185664

約数和(自身を除く): 3632083884

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, 234, 260, 279, 310, 372, 390, 403, 465, 468, 558, 585, 620, 780, 806, 930, 1116, 1170, 1209, 1395, 1612, 1860, 2015, 2340, 2418, 2790, 3627, 4030, 4836, 5580, 6045, 7254, 8060, 12090, 14508, 18135, 21107, 24180, 36270, 42214, 63321, 72540, 84428, 105535, 126642, 189963, 211070, 253284, 274391, 316605, 379926, 422140, 548782, 633210, 654317, 759852, 823173, 949815, 1097564, 1266420, 1308634, 1371955, 1646346, 1899630, 1962951, 2469519, 2617268, 2743910, 3271585, 3292692, 3799260, 3925902, 4115865, 4939038, 5487820, 5888853, 6543170, 7851804, 8231730, 8506121, 9814755, 9878076, 11777706, 12347595, 13086340, 16463460, 17012242, 19629510, 23555412, 24695190, 25518363, 29444265, 34024484, 39259020, 42530605, 49390380, 51036726, 58888530, 76555089, 85061210, 102073452, 117777060, 127591815, 153110178, 170122420, 255183630, 306220356, 382775445, 510367260, 765550890, 1531101780]

約数ペア:

[(1, 1531101780), (2, 765550890), (3, 510367260), (4, 382775445), (5, 306220356), (6, 255183630), (9, 170122420), (10, 153110178), (12, 127591815), (13, 117777060), (15, 102073452), (18, 85061210), (20, 76555089), (26, 58888530), (30, 51036726), (31, 49390380), (36, 42530605), (39, 39259020), (45, 34024484), (52, 29444265), (60, 25518363), (62, 24695190), (65, 23555412), (78, 19629510), (90, 17012242), (93, 16463460), (117, 13086340), (124, 12347595), (130, 11777706), (155, 9878076), (156, 9814755), (180, 8506121), (186, 8231730), (195, 7851804), (234, 6543170), (260, 5888853), (279, 5487820), (310, 4939038), (372, 4115865), (390, 3925902), (403, 3799260), (465, 3292692), (468, 3271585), (558, 2743910), (585, 2617268), (620, 2469519), (780, 1962951), (806, 1899630), (930, 1646346), (1116, 1371955), (1170, 1308634), (1209, 1266420), (1395, 1097564), (1612, 949815), (1860, 823173), (2015, 759852), (2340, 654317), (2418, 633210), (2790, 548782), (3627, 422140), (4030, 379926), (4836, 316605), (5580, 274391), (6045, 253284), (7254, 211070), (8060, 189963), (12090, 126642), (14508, 105535), (18135, 84428), (21107, 72540), (24180, 63321), (36270, 42214)]