256156680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{743}}^1$

素因数の和:800

約数の個数: 192

約数和(自身を含む): 882264960

約数和(自身を除く): 626108280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 169, 170, 195, 204, 221, 255, 260, 312, 338, 340, 390, 408, 442, 507, 510, 520, 663, 676, 680, 743, 780, 845, 884, 1014, 1020, 1105, 1326, 1352, 1486, 1560, 1690, 1768, 2028, 2040, 2210, 2229, 2535, 2652, 2873, 2972, 3315, 3380, 3715, 4056, 4420, 4458, 5070, 5304, 5746, 5944, 6630, 6760, 7430, 8619, 8840, 8916, 9659, 10140, 11145, 11492, 12631, 13260, 14365, 14860, 17238, 17832, 19318, 20280, 22290, 22984, 25262, 26520, 28730, 28977, 29720, 34476, 37893, 38636, 43095, 44580, 48295, 50524, 57460, 57954, 63155, 68952, 75786, 77272, 86190, 89160, 96590, 101048, 114920, 115908, 125567, 126310, 144885, 151572, 164203, 172380, 189465, 193180, 231816, 251134, 252620, 289770, 303144, 328406, 344760, 376701, 378930, 386360, 492609, 502268, 505240, 579540, 627835, 656812, 753402, 757860, 821015, 985218, 1004536, 1159080, 1255670, 1313624, 1506804, 1515720, 1642030, 1883505, 1970436, 2134639, 2463045, 2511340, 3013608, 3284060, 3767010, 3940872, 4269278, 4926090, 5022680, 6403917, 6568120, 7534020, 8538556, 9852180, 10673195, 12807834, 15068040, 17077112, 19704360, 21346390, 25615668, 32019585, 42692780, 51231336, 64039170, 85385560, 128078340, 256156680]

約数ペア:

[(1, 256156680), (2, 128078340), (3, 85385560), (4, 64039170), (5, 51231336), (6, 42692780), (8, 32019585), (10, 25615668), (12, 21346390), (13, 19704360), (15, 17077112), (17, 15068040), (20, 12807834), (24, 10673195), (26, 9852180), (30, 8538556), (34, 7534020), (39, 6568120), (40, 6403917), (51, 5022680), (52, 4926090), (60, 4269278), (65, 3940872), (68, 3767010), (78, 3284060), (85, 3013608), (102, 2511340), (104, 2463045), (120, 2134639), (130, 1970436), (136, 1883505), (156, 1642030), (169, 1515720), (170, 1506804), (195, 1313624), (204, 1255670), (221, 1159080), (255, 1004536), (260, 985218), (312, 821015), (338, 757860), (340, 753402), (390, 656812), (408, 627835), (442, 579540), (507, 505240), (510, 502268), (520, 492609), (663, 386360), (676, 378930), (680, 376701), (743, 344760), (780, 328406), (845, 303144), (884, 289770), (1014, 252620), (1020, 251134), (1105, 231816), (1326, 193180), (1352, 189465), (1486, 172380), (1560, 164203), (1690, 151572), (1768, 144885), (2028, 126310), (2040, 125567), (2210, 115908), (2229, 114920), (2535, 101048), (2652, 96590), (2873, 89160), (2972, 86190), (3315, 77272), (3380, 75786), (3715, 68952), (4056, 63155), (4420, 57954), (4458, 57460), (5070, 50524), (5304, 48295), (5746, 44580), (5944, 43095), (6630, 38636), (6760, 37893), (7430, 34476), (8619, 29720), (8840, 28977), (8916, 28730), (9659, 26520), (10140, 25262), (11145, 22984), (11492, 22290), (12631, 20280), (13260, 19318), (14365, 17832), (14860, 17238)]