278191680

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{22291}}^1$

素因数の和:22324

約数の個数: 112

約数和(自身を含む): 951244224

約数和(自身を除く): 673052544

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 22291, 44582, 66873, 89164, 111455, 133746, 178328, 222910, 267492, 289783, 334365, 356656, 445820, 534984, 579566, 668730, 713312, 869349, 891640, 1069968, 1159132, 1337460, 1426624, 1448915, 1738698, 1783280, 2139936, 2318264, 2674920, 2897830, 3477396, 3566560, 4279872, 4346745, 4636528, 5349840, 5795660, 6954792, 7133120, 8693490, 9273056, 10699680, 11591320, 13909584, 17386980, 18546112, 21399360, 23182640, 27819168, 34773960, 46365280, 55638336, 69547920, 92730560, 139095840, 278191680]

約数ペア:

[(1, 278191680), (2, 139095840), (3, 92730560), (4, 69547920), (5, 55638336), (6, 46365280), (8, 34773960), (10, 27819168), (12, 23182640), (13, 21399360), (15, 18546112), (16, 17386980), (20, 13909584), (24, 11591320), (26, 10699680), (30, 9273056), (32, 8693490), (39, 7133120), (40, 6954792), (48, 5795660), (52, 5349840), (60, 4636528), (64, 4346745), (65, 4279872), (78, 3566560), (80, 3477396), (96, 2897830), (104, 2674920), (120, 2318264), (130, 2139936), (156, 1783280), (160, 1738698), (192, 1448915), (195, 1426624), (208, 1337460), (240, 1159132), (260, 1069968), (312, 891640), (320, 869349), (390, 713312), (416, 668730), (480, 579566), (520, 534984), (624, 445820), (780, 356656), (832, 334365), (960, 289783), (1040, 267492), (1248, 222910), (1560, 178328), (2080, 133746), (2496, 111455), (3120, 89164), (4160, 66873), (6240, 44582), (12480, 22291)]