253438640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1123}}^1$

素因数の和:1187

約数の個数: 160

約数和(自身を含む): 749285376

約数和(自身を除く): 495846736

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 182, 208, 217, 248, 260, 280, 310, 364, 403, 434, 455, 496, 520, 560, 620, 728, 806, 868, 910, 1040, 1085, 1123, 1240, 1456, 1612, 1736, 1820, 2015, 2170, 2246, 2480, 2821, 3224, 3472, 3640, 4030, 4340, 4492, 5615, 5642, 6448, 7280, 7861, 8060, 8680, 8984, 11230, 11284, 14105, 14599, 15722, 16120, 17360, 17968, 22460, 22568, 28210, 29198, 31444, 32240, 34813, 39305, 44920, 45136, 56420, 58396, 62888, 69626, 72995, 78610, 89840, 102193, 112840, 116792, 125776, 139252, 145990, 157220, 174065, 204386, 225680, 233584, 243691, 278504, 291980, 314440, 348130, 408772, 452569, 487382, 510965, 557008, 583960, 628880, 696260, 817544, 905138, 974764, 1021930, 1167920, 1218455, 1392520, 1635088, 1810276, 1949528, 2043860, 2262845, 2436910, 2785040, 3167983, 3620552, 3899056, 4087720, 4525690, 4873820, 6335966, 7241104, 8175440, 9051380, 9747640, 12671932, 15839915, 18102760, 19495280, 25343864, 31679830, 36205520, 50687728, 63359660, 126719320, 253438640]

約数ペア:

[(1, 253438640), (2, 126719320), (4, 63359660), (5, 50687728), (7, 36205520), (8, 31679830), (10, 25343864), (13, 19495280), (14, 18102760), (16, 15839915), (20, 12671932), (26, 9747640), (28, 9051380), (31, 8175440), (35, 7241104), (40, 6335966), (52, 4873820), (56, 4525690), (62, 4087720), (65, 3899056), (70, 3620552), (80, 3167983), (91, 2785040), (104, 2436910), (112, 2262845), (124, 2043860), (130, 1949528), (140, 1810276), (155, 1635088), (182, 1392520), (208, 1218455), (217, 1167920), (248, 1021930), (260, 974764), (280, 905138), (310, 817544), (364, 696260), (403, 628880), (434, 583960), (455, 557008), (496, 510965), (520, 487382), (560, 452569), (620, 408772), (728, 348130), (806, 314440), (868, 291980), (910, 278504), (1040, 243691), (1085, 233584), (1123, 225680), (1240, 204386), (1456, 174065), (1612, 157220), (1736, 145990), (1820, 139252), (2015, 125776), (2170, 116792), (2246, 112840), (2480, 102193), (2821, 89840), (3224, 78610), (3472, 72995), (3640, 69626), (4030, 62888), (4340, 58396), (4492, 56420), (5615, 45136), (5642, 44920), (6448, 39305), (7280, 34813), (7861, 32240), (8060, 31444), (8680, 29198), (8984, 28210), (11230, 22568), (11284, 22460), (14105, 17968), (14599, 17360), (15722, 16120)]