71013640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:167

約数の個数: 128

約数和(自身を含む): 179625600

約数和(自身を除く): 108611960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 43, 53, 76, 82, 86, 95, 106, 152, 164, 172, 190, 205, 212, 215, 265, 328, 344, 380, 410, 424, 430, 530, 760, 779, 817, 820, 860, 1007, 1060, 1558, 1634, 1640, 1720, 1763, 2014, 2120, 2173, 2279, 3116, 3268, 3526, 3895, 4028, 4085, 4346, 4558, 5035, 6232, 6536, 7052, 7790, 8056, 8170, 8692, 8815, 9116, 10070, 10865, 11395, 14104, 15580, 16340, 17384, 17630, 18232, 20140, 21730, 22790, 31160, 32680, 33497, 35260, 40280, 41287, 43301, 43460, 45580, 66994, 70520, 82574, 86602, 86920, 91160, 93439, 133988, 165148, 167485, 173204, 186878, 206435, 216505, 267976, 330296, 334970, 346408, 373756, 412870, 433010, 467195, 669940, 747512, 825740, 866020, 934390, 1339880, 1651480, 1732040, 1775341, 1868780, 3550682, 3737560, 7101364, 8876705, 14202728, 17753410, 35506820, 71013640]

約数ペア:

[(1, 71013640), (2, 35506820), (4, 17753410), (5, 14202728), (8, 8876705), (10, 7101364), (19, 3737560), (20, 3550682), (38, 1868780), (40, 1775341), (41, 1732040), (43, 1651480), (53, 1339880), (76, 934390), (82, 866020), (86, 825740), (95, 747512), (106, 669940), (152, 467195), (164, 433010), (172, 412870), (190, 373756), (205, 346408), (212, 334970), (215, 330296), (265, 267976), (328, 216505), (344, 206435), (380, 186878), (410, 173204), (424, 167485), (430, 165148), (530, 133988), (760, 93439), (779, 91160), (817, 86920), (820, 86602), (860, 82574), (1007, 70520), (1060, 66994), (1558, 45580), (1634, 43460), (1640, 43301), (1720, 41287), (1763, 40280), (2014, 35260), (2120, 33497), (2173, 32680), (2279, 31160), (3116, 22790), (3268, 21730), (3526, 20140), (3895, 18232), (4028, 17630), (4085, 17384), (4346, 16340), (4558, 15580), (5035, 14104), (6232, 11395), (6536, 10865), (7052, 10070), (7790, 9116), (8056, 8815), (8170, 8692)]