990376920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211619}}^1$

素因数の和:211649

約数の個数: 96

約数和(自身を含む): 3466335600

約数和(自身を除く): 2475958680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4680, 211619, 423238, 634857, 846476, 1058095, 1269714, 1692952, 1904571, 2116190, 2539428, 2751047, 3174285, 3809142, 4232380, 5078856, 5502094, 6348570, 7618284, 8253141, 8464760, 9522855, 11004188, 12697140, 13755235, 15236568, 16506282, 19045710, 22008376, 24759423, 25394280, 27510470, 33012564, 38091420, 41265705, 49518846, 55020940, 66025128, 76182840, 82531410, 99037692, 110041880, 123797115, 165062820, 198075384, 247594230, 330125640, 495188460, 990376920]

約数ペア:

[(1, 990376920), (2, 495188460), (3, 330125640), (4, 247594230), (5, 198075384), (6, 165062820), (8, 123797115), (9, 110041880), (10, 99037692), (12, 82531410), (13, 76182840), (15, 66025128), (18, 55020940), (20, 49518846), (24, 41265705), (26, 38091420), (30, 33012564), (36, 27510470), (39, 25394280), (40, 24759423), (45, 22008376), (52, 19045710), (60, 16506282), (65, 15236568), (72, 13755235), (78, 12697140), (90, 11004188), (104, 9522855), (117, 8464760), (120, 8253141), (130, 7618284), (156, 6348570), (180, 5502094), (195, 5078856), (234, 4232380), (260, 3809142), (312, 3174285), (360, 2751047), (390, 2539428), (468, 2116190), (520, 1904571), (585, 1692952), (780, 1269714), (936, 1058095), (1170, 846476), (1560, 634857), (2340, 423238), (4680, 211619)]