321446640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:355

約数の個数: 160

約数和(自身を含む): 1024488000

約数和(自身を除く): 703041360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 89, 101, 120, 149, 178, 202, 240, 267, 298, 303, 356, 404, 445, 447, 505, 534, 596, 606, 712, 745, 808, 890, 894, 1010, 1068, 1192, 1212, 1335, 1424, 1490, 1515, 1616, 1780, 1788, 2020, 2136, 2235, 2384, 2424, 2670, 2980, 3030, 3560, 3576, 4040, 4272, 4470, 4848, 5340, 5960, 6060, 7120, 7152, 8080, 8940, 8989, 10680, 11920, 12120, 13261, 15049, 17880, 17978, 21360, 24240, 26522, 26967, 30098, 35760, 35956, 39783, 44945, 45147, 53044, 53934, 60196, 66305, 71912, 75245, 79566, 89890, 90294, 106088, 107868, 120392, 132610, 134835, 143824, 150490, 159132, 179780, 180588, 198915, 212176, 215736, 225735, 240784, 265220, 269670, 300980, 318264, 359560, 361176, 397830, 431472, 451470, 530440, 539340, 601960, 636528, 719120, 722352, 795660, 902940, 1060880, 1078680, 1203920, 1339361, 1591320, 1805880, 2157360, 2678722, 3182640, 3611760, 4018083, 5357444, 6696805, 8036166, 10714888, 13393610, 16072332, 20090415, 21429776, 26787220, 32144664, 40180830, 53574440, 64289328, 80361660, 107148880, 160723320, 321446640]

約数ペア:

[(1, 321446640), (2, 160723320), (3, 107148880), (4, 80361660), (5, 64289328), (6, 53574440), (8, 40180830), (10, 32144664), (12, 26787220), (15, 21429776), (16, 20090415), (20, 16072332), (24, 13393610), (30, 10714888), (40, 8036166), (48, 6696805), (60, 5357444), (80, 4018083), (89, 3611760), (101, 3182640), (120, 2678722), (149, 2157360), (178, 1805880), (202, 1591320), (240, 1339361), (267, 1203920), (298, 1078680), (303, 1060880), (356, 902940), (404, 795660), (445, 722352), (447, 719120), (505, 636528), (534, 601960), (596, 539340), (606, 530440), (712, 451470), (745, 431472), (808, 397830), (890, 361176), (894, 359560), (1010, 318264), (1068, 300980), (1192, 269670), (1212, 265220), (1335, 240784), (1424, 225735), (1490, 215736), (1515, 212176), (1616, 198915), (1780, 180588), (1788, 179780), (2020, 159132), (2136, 150490), (2235, 143824), (2384, 134835), (2424, 132610), (2670, 120392), (2980, 107868), (3030, 106088), (3560, 90294), (3576, 89890), (4040, 79566), (4272, 75245), (4470, 71912), (4848, 66305), (5340, 60196), (5960, 53934), (6060, 53044), (7120, 45147), (7152, 44945), (8080, 39783), (8940, 35956), (8989, 35760), (10680, 30098), (11920, 26967), (12120, 26522), (13261, 24240), (15049, 21360), (17880, 17978)]