87900840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:288

約数の個数: 192

約数和(自身を含む): 306633600

約数和(自身を除く): 218732760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 71, 72, 76, 90, 95, 114, 120, 142, 152, 171, 180, 181, 190, 213, 228, 284, 285, 342, 355, 360, 362, 380, 426, 456, 543, 568, 570, 639, 684, 710, 724, 760, 852, 855, 905, 1065, 1086, 1140, 1278, 1349, 1368, 1420, 1448, 1629, 1704, 1710, 1810, 2130, 2172, 2280, 2556, 2698, 2715, 2840, 3195, 3258, 3420, 3439, 3620, 4047, 4260, 4344, 5112, 5396, 5430, 6390, 6516, 6745, 6840, 6878, 7240, 8094, 8145, 8520, 10317, 10792, 10860, 12141, 12780, 12851, 13032, 13490, 13756, 16188, 16290, 17195, 20235, 20634, 21720, 24282, 25560, 25702, 26980, 27512, 30951, 32376, 32580, 34390, 38553, 40470, 41268, 48564, 51404, 51585, 53960, 60705, 61902, 64255, 65160, 68780, 77106, 80940, 82536, 97128, 102808, 103170, 115659, 121410, 123804, 128510, 137560, 154212, 154755, 161880, 192765, 206340, 231318, 242820, 244169, 247608, 257020, 308424, 309510, 385530, 412680, 462636, 485640, 488338, 514040, 578295, 619020, 732507, 771060, 925272, 976676, 1156590, 1220845, 1238040, 1465014, 1542120, 1953352, 2197521, 2313180, 2441690, 2930028, 3662535, 4395042, 4626360, 4883380, 5860056, 7325070, 8790084, 9766760, 10987605, 14650140, 17580168, 21975210, 29300280, 43950420, 87900840]

約数ペア:

[(1, 87900840), (2, 43950420), (3, 29300280), (4, 21975210), (5, 17580168), (6, 14650140), (8, 10987605), (9, 9766760), (10, 8790084), (12, 7325070), (15, 5860056), (18, 4883380), (19, 4626360), (20, 4395042), (24, 3662535), (30, 2930028), (36, 2441690), (38, 2313180), (40, 2197521), (45, 1953352), (57, 1542120), (60, 1465014), (71, 1238040), (72, 1220845), (76, 1156590), (90, 976676), (95, 925272), (114, 771060), (120, 732507), (142, 619020), (152, 578295), (171, 514040), (180, 488338), (181, 485640), (190, 462636), (213, 412680), (228, 385530), (284, 309510), (285, 308424), (342, 257020), (355, 247608), (360, 244169), (362, 242820), (380, 231318), (426, 206340), (456, 192765), (543, 161880), (568, 154755), (570, 154212), (639, 137560), (684, 128510), (710, 123804), (724, 121410), (760, 115659), (852, 103170), (855, 102808), (905, 97128), (1065, 82536), (1086, 80940), (1140, 77106), (1278, 68780), (1349, 65160), (1368, 64255), (1420, 61902), (1448, 60705), (1629, 53960), (1704, 51585), (1710, 51404), (1810, 48564), (2130, 41268), (2172, 40470), (2280, 38553), (2556, 34390), (2698, 32580), (2715, 32376), (2840, 30951), (3195, 27512), (3258, 26980), (3420, 25702), (3439, 25560), (3620, 24282), (4047, 21720), (4260, 20634), (4344, 20235), (5112, 17195), (5396, 16290), (5430, 16188), (6390, 13756), (6516, 13490), (6745, 13032), (6840, 12851), (6878, 12780), (7240, 12141), (8094, 10860), (8145, 10792), (8520, 10317)]