74986520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:265

約数の個数: 128

約数和(自身を含む): 204042240

約数和(自身を除く): 129055720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 53, 56, 62, 70, 106, 124, 140, 155, 163, 212, 217, 248, 265, 280, 310, 326, 371, 424, 434, 530, 620, 652, 742, 815, 868, 1060, 1085, 1141, 1240, 1304, 1484, 1630, 1643, 1736, 1855, 2120, 2170, 2282, 2968, 3260, 3286, 3710, 4340, 4564, 5053, 5705, 6520, 6572, 7420, 8215, 8639, 8680, 9128, 10106, 11410, 11501, 13144, 14840, 16430, 17278, 20212, 22820, 23002, 25265, 32860, 34556, 35371, 40424, 43195, 45640, 46004, 50530, 57505, 60473, 65720, 69112, 70742, 86390, 92008, 101060, 115010, 120946, 141484, 172780, 176855, 202120, 230020, 241892, 267809, 282968, 302365, 345560, 353710, 460040, 483784, 535618, 604730, 707420, 1071236, 1209460, 1339045, 1414840, 1874663, 2142472, 2418920, 2678090, 3749326, 5356180, 7498652, 9373315, 10712360, 14997304, 18746630, 37493260, 74986520]

約数ペア:

[(1, 74986520), (2, 37493260), (4, 18746630), (5, 14997304), (7, 10712360), (8, 9373315), (10, 7498652), (14, 5356180), (20, 3749326), (28, 2678090), (31, 2418920), (35, 2142472), (40, 1874663), (53, 1414840), (56, 1339045), (62, 1209460), (70, 1071236), (106, 707420), (124, 604730), (140, 535618), (155, 483784), (163, 460040), (212, 353710), (217, 345560), (248, 302365), (265, 282968), (280, 267809), (310, 241892), (326, 230020), (371, 202120), (424, 176855), (434, 172780), (530, 141484), (620, 120946), (652, 115010), (742, 101060), (815, 92008), (868, 86390), (1060, 70742), (1085, 69112), (1141, 65720), (1240, 60473), (1304, 57505), (1484, 50530), (1630, 46004), (1643, 45640), (1736, 43195), (1855, 40424), (2120, 35371), (2170, 34556), (2282, 32860), (2968, 25265), (3260, 23002), (3286, 22820), (3710, 20212), (4340, 17278), (4564, 16430), (5053, 14840), (5705, 13144), (6520, 11501), (6572, 11410), (7420, 10106), (8215, 9128), (8639, 8680)]