245015320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:158

約数の個数: 192

約数和(自身を含む): 661893120

約数和(自身を除く): 416877800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 31, 40, 44, 46, 55, 62, 71, 88, 92, 110, 115, 121, 124, 142, 155, 184, 220, 230, 242, 248, 253, 284, 310, 341, 355, 440, 460, 484, 506, 568, 605, 620, 682, 710, 713, 781, 920, 968, 1012, 1210, 1240, 1265, 1364, 1420, 1426, 1562, 1633, 1705, 2024, 2201, 2420, 2530, 2728, 2783, 2840, 2852, 3124, 3266, 3410, 3565, 3751, 3905, 4402, 4840, 5060, 5566, 5704, 6248, 6532, 6820, 7130, 7502, 7810, 7843, 8165, 8591, 8804, 10120, 11005, 11132, 13064, 13640, 13915, 14260, 15004, 15620, 15686, 16330, 17182, 17608, 17963, 18755, 22010, 22264, 24211, 27830, 28520, 30008, 31240, 31372, 32660, 34364, 35926, 37510, 39215, 42955, 44020, 48422, 50623, 55660, 62744, 65320, 68728, 71852, 75020, 78430, 85910, 86273, 88040, 89815, 96844, 101246, 111320, 121055, 143704, 150040, 156860, 171820, 172546, 179630, 193688, 197593, 202492, 242110, 253115, 266321, 313720, 343640, 345092, 359260, 395186, 404984, 431365, 484220, 506230, 532642, 556853, 690184, 718520, 790372, 862730, 968440, 987965, 1012460, 1065284, 1113706, 1331605, 1580744, 1725460, 1975930, 2024920, 2130568, 2227412, 2663210, 2784265, 3450920, 3951860, 4454824, 5326420, 5568530, 6125383, 7903720, 10652840, 11137060, 12250766, 22274120, 24501532, 30626915, 49003064, 61253830, 122507660, 245015320]

約数ペア:

[(1, 245015320), (2, 122507660), (4, 61253830), (5, 49003064), (8, 30626915), (10, 24501532), (11, 22274120), (20, 12250766), (22, 11137060), (23, 10652840), (31, 7903720), (40, 6125383), (44, 5568530), (46, 5326420), (55, 4454824), (62, 3951860), (71, 3450920), (88, 2784265), (92, 2663210), (110, 2227412), (115, 2130568), (121, 2024920), (124, 1975930), (142, 1725460), (155, 1580744), (184, 1331605), (220, 1113706), (230, 1065284), (242, 1012460), (248, 987965), (253, 968440), (284, 862730), (310, 790372), (341, 718520), (355, 690184), (440, 556853), (460, 532642), (484, 506230), (506, 484220), (568, 431365), (605, 404984), (620, 395186), (682, 359260), (710, 345092), (713, 343640), (781, 313720), (920, 266321), (968, 253115), (1012, 242110), (1210, 202492), (1240, 197593), (1265, 193688), (1364, 179630), (1420, 172546), (1426, 171820), (1562, 156860), (1633, 150040), (1705, 143704), (2024, 121055), (2201, 111320), (2420, 101246), (2530, 96844), (2728, 89815), (2783, 88040), (2840, 86273), (2852, 85910), (3124, 78430), (3266, 75020), (3410, 71852), (3565, 68728), (3751, 65320), (3905, 62744), (4402, 55660), (4840, 50623), (5060, 48422), (5566, 44020), (5704, 42955), (6248, 39215), (6532, 37510), (6820, 35926), (7130, 34364), (7502, 32660), (7810, 31372), (7843, 31240), (8165, 30008), (8591, 28520), (8804, 27830), (10120, 24211), (11005, 22264), (11132, 22010), (13064, 18755), (13640, 17963), (13915, 17608), (14260, 17182), (15004, 16330), (15620, 15686)]