338790320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1129}}^1$

素因数の和:1195

約数の個数: 120

約数和(自身を含む): 894526080

約数和(自身を除く): 555735760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 121, 124, 155, 176, 220, 242, 248, 310, 341, 440, 484, 496, 605, 620, 682, 880, 968, 1129, 1210, 1240, 1364, 1705, 1936, 2258, 2420, 2480, 2728, 3410, 3751, 4516, 4840, 5456, 5645, 6820, 7502, 9032, 9680, 11290, 12419, 13640, 15004, 18064, 18755, 22580, 24838, 27280, 30008, 34999, 37510, 45160, 49676, 60016, 62095, 69998, 75020, 90320, 99352, 124190, 136609, 139996, 150040, 174995, 198704, 248380, 273218, 279992, 300080, 349990, 384989, 496760, 546436, 559984, 683045, 699980, 769978, 993520, 1092872, 1366090, 1399960, 1539956, 1924945, 2185744, 2732180, 2799920, 3079912, 3849890, 4234879, 5464360, 6159824, 7699780, 8469758, 10928720, 15399560, 16939516, 21174395, 30799120, 33879032, 42348790, 67758064, 84697580, 169395160, 338790320]

約数ペア:

[(1, 338790320), (2, 169395160), (4, 84697580), (5, 67758064), (8, 42348790), (10, 33879032), (11, 30799120), (16, 21174395), (20, 16939516), (22, 15399560), (31, 10928720), (40, 8469758), (44, 7699780), (55, 6159824), (62, 5464360), (80, 4234879), (88, 3849890), (110, 3079912), (121, 2799920), (124, 2732180), (155, 2185744), (176, 1924945), (220, 1539956), (242, 1399960), (248, 1366090), (310, 1092872), (341, 993520), (440, 769978), (484, 699980), (496, 683045), (605, 559984), (620, 546436), (682, 496760), (880, 384989), (968, 349990), (1129, 300080), (1210, 279992), (1240, 273218), (1364, 248380), (1705, 198704), (1936, 174995), (2258, 150040), (2420, 139996), (2480, 136609), (2728, 124190), (3410, 99352), (3751, 90320), (4516, 75020), (4840, 69998), (5456, 62095), (5645, 60016), (6820, 49676), (7502, 45160), (9032, 37510), (9680, 34999), (11290, 30008), (12419, 27280), (13640, 24838), (15004, 22580), (18064, 18755)]