67405920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{389}}^1$

素因数の和:445

約数の個数: 144

約数和(自身を含む): 224668080

約数和(自身を除く): 157262160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 76, 80, 95, 96, 114, 120, 152, 160, 190, 228, 240, 285, 304, 361, 380, 389, 456, 480, 570, 608, 722, 760, 778, 912, 1083, 1140, 1167, 1444, 1520, 1556, 1805, 1824, 1945, 2166, 2280, 2334, 2888, 3040, 3112, 3610, 3890, 4332, 4560, 4668, 5415, 5776, 5835, 6224, 7220, 7391, 7780, 8664, 9120, 9336, 10830, 11552, 11670, 12448, 14440, 14782, 15560, 17328, 18672, 21660, 22173, 23340, 28880, 29564, 31120, 34656, 36955, 37344, 43320, 44346, 46680, 57760, 59128, 62240, 73910, 86640, 88692, 93360, 110865, 118256, 140429, 147820, 173280, 177384, 186720, 221730, 236512, 280858, 295640, 354768, 421287, 443460, 561716, 591280, 702145, 709536, 842574, 886920, 1123432, 1182560, 1404290, 1685148, 1773840, 2106435, 2246864, 2808580, 3370296, 3547680, 4212870, 4493728, 5617160, 6740592, 8425740, 11234320, 13481184, 16851480, 22468640, 33702960, 67405920]

約数ペア:

[(1, 67405920), (2, 33702960), (3, 22468640), (4, 16851480), (5, 13481184), (6, 11234320), (8, 8425740), (10, 6740592), (12, 5617160), (15, 4493728), (16, 4212870), (19, 3547680), (20, 3370296), (24, 2808580), (30, 2246864), (32, 2106435), (38, 1773840), (40, 1685148), (48, 1404290), (57, 1182560), (60, 1123432), (76, 886920), (80, 842574), (95, 709536), (96, 702145), (114, 591280), (120, 561716), (152, 443460), (160, 421287), (190, 354768), (228, 295640), (240, 280858), (285, 236512), (304, 221730), (361, 186720), (380, 177384), (389, 173280), (456, 147820), (480, 140429), (570, 118256), (608, 110865), (722, 93360), (760, 88692), (778, 86640), (912, 73910), (1083, 62240), (1140, 59128), (1167, 57760), (1444, 46680), (1520, 44346), (1556, 43320), (1805, 37344), (1824, 36955), (1945, 34656), (2166, 31120), (2280, 29564), (2334, 28880), (2888, 23340), (3040, 22173), (3112, 21660), (3610, 18672), (3890, 17328), (4332, 15560), (4560, 14782), (4668, 14440), (5415, 12448), (5776, 11670), (5835, 11552), (6224, 10830), (7220, 9336), (7391, 9120), (7780, 8664)]