21371012640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{178807}}^1$

素因数の和:178911

約数の個数: 144

約数和(自身を含む): 73807651008

約数和(自身を除く): 52436638368

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 83, 90, 96, 120, 144, 160, 166, 180, 240, 249, 288, 332, 360, 415, 480, 498, 664, 720, 747, 830, 996, 1245, 1328, 1440, 1494, 1660, 1992, 2490, 2656, 2988, 3320, 3735, 3984, 4980, 5976, 6640, 7470, 7968, 9960, 11952, 13280, 14940, 19920, 23904, 29880, 39840, 59760, 119520, 178807, 357614, 536421, 715228, 894035, 1072842, 1430456, 1609263, 1788070, 2145684, 2682105, 2860912, 3218526, 3576140, 4291368, 5364210, 5721824, 6437052, 7152280, 8046315, 8582736, 10728420, 12874104, 14304560, 14840981, 16092630, 17165472, 21456840, 25748208, 28609120, 29681962, 32185260, 42913680, 44522943, 51496416, 59363924, 64370520, 74204905, 85827360, 89045886, 118727848, 128741040, 133568829, 148409810, 178091772, 222614715, 237455696, 257482080, 267137658, 296819620, 356183544, 445229430, 474911392, 534275316, 593639240, 667844145, 712367088, 890458860, 1068550632, 1187278480, 1335688290, 1424734176, 1780917720, 2137101264, 2374556960, 2671376580, 3561835440, 4274202528, 5342753160, 7123670880, 10685506320, 21371012640]

約数ペア:

[(1, 21371012640), (2, 10685506320), (3, 7123670880), (4, 5342753160), (5, 4274202528), (6, 3561835440), (8, 2671376580), (9, 2374556960), (10, 2137101264), (12, 1780917720), (15, 1424734176), (16, 1335688290), (18, 1187278480), (20, 1068550632), (24, 890458860), (30, 712367088), (32, 667844145), (36, 593639240), (40, 534275316), (45, 474911392), (48, 445229430), (60, 356183544), (72, 296819620), (80, 267137658), (83, 257482080), (90, 237455696), (96, 222614715), (120, 178091772), (144, 148409810), (160, 133568829), (166, 128741040), (180, 118727848), (240, 89045886), (249, 85827360), (288, 74204905), (332, 64370520), (360, 59363924), (415, 51496416), (480, 44522943), (498, 42913680), (664, 32185260), (720, 29681962), (747, 28609120), (830, 25748208), (996, 21456840), (1245, 17165472), (1328, 16092630), (1440, 14840981), (1494, 14304560), (1660, 12874104), (1992, 10728420), (2490, 8582736), (2656, 8046315), (2988, 7152280), (3320, 6437052), (3735, 5721824), (3984, 5364210), (4980, 4291368), (5976, 3576140), (6640, 3218526), (7470, 2860912), (7968, 2682105), (9960, 2145684), (11952, 1788070), (13280, 1609263), (14940, 1430456), (19920, 1072842), (23904, 894035), (29880, 715228), (39840, 536421), (59760, 357614), (119520, 178807)]