123758320

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:399

約数の個数: 120

約数和(自身を含む): 338670288

約数和(自身を除く): 214911968

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 131, 140, 196, 241, 245, 262, 280, 392, 482, 490, 524, 560, 655, 784, 917, 964, 980, 1048, 1205, 1310, 1687, 1834, 1928, 1960, 2096, 2410, 2620, 3374, 3668, 3856, 3920, 4585, 4820, 5240, 6419, 6748, 7336, 8435, 9170, 9640, 10480, 11809, 12838, 13496, 14672, 16870, 18340, 19280, 23618, 25676, 26992, 31571, 32095, 33740, 36680, 47236, 51352, 59045, 63142, 64190, 67480, 73360, 94472, 102704, 118090, 126284, 128380, 134960, 157855, 188944, 220997, 236180, 252568, 256760, 315710, 441994, 472360, 505136, 513520, 631420, 883988, 944720, 1104985, 1262840, 1546979, 1767976, 2209970, 2525680, 3093958, 3535952, 4419940, 6187916, 7734895, 8839880, 12375832, 15469790, 17679760, 24751664, 30939580, 61879160, 123758320]

約数ペア:

[(1, 123758320), (2, 61879160), (4, 30939580), (5, 24751664), (7, 17679760), (8, 15469790), (10, 12375832), (14, 8839880), (16, 7734895), (20, 6187916), (28, 4419940), (35, 3535952), (40, 3093958), (49, 2525680), (56, 2209970), (70, 1767976), (80, 1546979), (98, 1262840), (112, 1104985), (131, 944720), (140, 883988), (196, 631420), (241, 513520), (245, 505136), (262, 472360), (280, 441994), (392, 315710), (482, 256760), (490, 252568), (524, 236180), (560, 220997), (655, 188944), (784, 157855), (917, 134960), (964, 128380), (980, 126284), (1048, 118090), (1205, 102704), (1310, 94472), (1687, 73360), (1834, 67480), (1928, 64190), (1960, 63142), (2096, 59045), (2410, 51352), (2620, 47236), (3374, 36680), (3668, 33740), (3856, 32095), (3920, 31571), (4585, 26992), (4820, 25676), (5240, 23618), (6419, 19280), (6748, 18340), (7336, 16870), (8435, 14672), (9170, 13496), (9640, 12838), (10480, 11809)]