7123480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:153

約数の個数: 128

約数和(自身を含む): 20966400

約数和(自身を除く): 13842920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 91, 95, 103, 104, 130, 133, 140, 152, 182, 190, 206, 247, 260, 266, 280, 364, 380, 412, 455, 494, 515, 520, 532, 665, 721, 728, 760, 824, 910, 988, 1030, 1064, 1235, 1330, 1339, 1442, 1729, 1820, 1957, 1976, 2060, 2470, 2660, 2678, 2884, 3458, 3605, 3640, 3914, 4120, 4940, 5320, 5356, 5768, 6695, 6916, 7210, 7828, 8645, 9373, 9785, 9880, 10712, 13390, 13699, 13832, 14420, 15656, 17290, 18746, 19570, 25441, 26780, 27398, 28840, 34580, 37492, 39140, 46865, 50882, 53560, 54796, 68495, 69160, 74984, 78280, 93730, 101764, 109592, 127205, 136990, 178087, 187460, 203528, 254410, 273980, 356174, 374920, 508820, 547960, 712348, 890435, 1017640, 1424696, 1780870, 3561740, 7123480]

約数ペア:

[(1, 7123480), (2, 3561740), (4, 1780870), (5, 1424696), (7, 1017640), (8, 890435), (10, 712348), (13, 547960), (14, 508820), (19, 374920), (20, 356174), (26, 273980), (28, 254410), (35, 203528), (38, 187460), (40, 178087), (52, 136990), (56, 127205), (65, 109592), (70, 101764), (76, 93730), (91, 78280), (95, 74984), (103, 69160), (104, 68495), (130, 54796), (133, 53560), (140, 50882), (152, 46865), (182, 39140), (190, 37492), (206, 34580), (247, 28840), (260, 27398), (266, 26780), (280, 25441), (364, 19570), (380, 18746), (412, 17290), (455, 15656), (494, 14420), (515, 13832), (520, 13699), (532, 13390), (665, 10712), (721, 9880), (728, 9785), (760, 9373), (824, 8645), (910, 7828), (988, 7210), (1030, 6916), (1064, 6695), (1235, 5768), (1330, 5356), (1339, 5320), (1442, 4940), (1729, 4120), (1820, 3914), (1957, 3640), (1976, 3605), (2060, 3458), (2470, 2884), (2660, 2678)]