1280580240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{9059}}^1$

素因数の和:9125

約数の個数: 160

約数和(自身を含む): 4314009600

約数和(自身を除く): 3033429360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 31, 38, 40, 48, 57, 60, 62, 76, 80, 93, 95, 114, 120, 124, 152, 155, 186, 190, 228, 240, 248, 285, 304, 310, 372, 380, 456, 465, 496, 570, 589, 620, 744, 760, 912, 930, 1140, 1178, 1240, 1488, 1520, 1767, 1860, 2280, 2356, 2480, 2945, 3534, 3720, 4560, 4712, 5890, 7068, 7440, 8835, 9059, 9424, 11780, 14136, 17670, 18118, 23560, 27177, 28272, 35340, 36236, 45295, 47120, 54354, 70680, 72472, 90590, 108708, 135885, 141360, 144944, 172121, 181180, 217416, 271770, 280829, 344242, 362360, 434832, 516363, 543540, 561658, 688484, 724720, 842487, 860605, 1032726, 1087080, 1123316, 1376968, 1404145, 1684974, 1721210, 2065452, 2174160, 2246632, 2581815, 2753936, 2808290, 3369948, 3442420, 4130904, 4212435, 4493264, 5163630, 5335751, 5616580, 6739896, 6884840, 8261808, 8424870, 10327260, 10671502, 11233160, 13479792, 13769680, 16007253, 16849740, 20654520, 21343004, 22466320, 26678755, 32014506, 33699480, 41309040, 42686008, 53357510, 64029012, 67398960, 80036265, 85372016, 106715020, 128058024, 160072530, 213430040, 256116048, 320145060, 426860080, 640290120, 1280580240]

約数ペア:

[(1, 1280580240), (2, 640290120), (3, 426860080), (4, 320145060), (5, 256116048), (6, 213430040), (8, 160072530), (10, 128058024), (12, 106715020), (15, 85372016), (16, 80036265), (19, 67398960), (20, 64029012), (24, 53357510), (30, 42686008), (31, 41309040), (38, 33699480), (40, 32014506), (48, 26678755), (57, 22466320), (60, 21343004), (62, 20654520), (76, 16849740), (80, 16007253), (93, 13769680), (95, 13479792), (114, 11233160), (120, 10671502), (124, 10327260), (152, 8424870), (155, 8261808), (186, 6884840), (190, 6739896), (228, 5616580), (240, 5335751), (248, 5163630), (285, 4493264), (304, 4212435), (310, 4130904), (372, 3442420), (380, 3369948), (456, 2808290), (465, 2753936), (496, 2581815), (570, 2246632), (589, 2174160), (620, 2065452), (744, 1721210), (760, 1684974), (912, 1404145), (930, 1376968), (1140, 1123316), (1178, 1087080), (1240, 1032726), (1488, 860605), (1520, 842487), (1767, 724720), (1860, 688484), (2280, 561658), (2356, 543540), (2480, 516363), (2945, 434832), (3534, 362360), (3720, 344242), (4560, 280829), (4712, 271770), (5890, 217416), (7068, 181180), (7440, 172121), (8835, 144944), (9059, 141360), (9424, 135885), (11780, 108708), (14136, 90590), (17670, 72472), (18118, 70680), (23560, 54354), (27177, 47120), (28272, 45295), (35340, 36236)]