12728480

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:166

約数の個数: 96

約数和(自身を含む): 32659200

約数和(自身を除く): 19930720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 53, 76, 79, 80, 95, 106, 152, 158, 160, 190, 212, 265, 304, 316, 380, 395, 424, 530, 608, 632, 760, 790, 848, 1007, 1060, 1264, 1501, 1520, 1580, 1696, 2014, 2120, 2528, 3002, 3040, 3160, 4028, 4187, 4240, 5035, 6004, 6320, 7505, 8056, 8374, 8480, 10070, 12008, 12640, 15010, 16112, 16748, 20140, 20935, 24016, 30020, 32224, 33496, 40280, 41870, 48032, 60040, 66992, 79553, 80560, 83740, 120080, 133984, 159106, 161120, 167480, 240160, 318212, 334960, 397765, 636424, 669920, 795530, 1272848, 1591060, 2545696, 3182120, 6364240, 12728480]

約数ペア:

[(1, 12728480), (2, 6364240), (4, 3182120), (5, 2545696), (8, 1591060), (10, 1272848), (16, 795530), (19, 669920), (20, 636424), (32, 397765), (38, 334960), (40, 318212), (53, 240160), (76, 167480), (79, 161120), (80, 159106), (95, 133984), (106, 120080), (152, 83740), (158, 80560), (160, 79553), (190, 66992), (212, 60040), (265, 48032), (304, 41870), (316, 40280), (380, 33496), (395, 32224), (424, 30020), (530, 24016), (608, 20935), (632, 20140), (760, 16748), (790, 16112), (848, 15010), (1007, 12640), (1060, 12008), (1264, 10070), (1501, 8480), (1520, 8374), (1580, 8056), (1696, 7505), (2014, 6320), (2120, 6004), (2528, 5035), (3002, 4240), (3040, 4187), (3160, 4028)]