28561260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5231}}^1$

素因数の和:5263

約数の個数: 96

約数和(自身を含む): 98445312

約数和(自身を除く): 69884052

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5231, 5460, 10462, 15693, 20924, 26155, 31386, 36617, 52310, 62772, 68003, 73234, 78465, 104620, 109851, 136006, 146468, 156930, 183085, 204009, 219702, 272012, 313860, 340015, 366170, 408018, 439404, 476021, 549255, 680030, 732340, 816036, 952042, 1020045, 1098510, 1360060, 1428063, 1904084, 2040090, 2197020, 2380105, 2856126, 4080180, 4760210, 5712252, 7140315, 9520420, 14280630, 28561260]

約数ペア:

[(1, 28561260), (2, 14280630), (3, 9520420), (4, 7140315), (5, 5712252), (6, 4760210), (7, 4080180), (10, 2856126), (12, 2380105), (13, 2197020), (14, 2040090), (15, 1904084), (20, 1428063), (21, 1360060), (26, 1098510), (28, 1020045), (30, 952042), (35, 816036), (39, 732340), (42, 680030), (52, 549255), (60, 476021), (65, 439404), (70, 408018), (78, 366170), (84, 340015), (91, 313860), (105, 272012), (130, 219702), (140, 204009), (156, 183085), (182, 156930), (195, 146468), (210, 136006), (260, 109851), (273, 104620), (364, 78465), (390, 73234), (420, 68003), (455, 62772), (546, 52310), (780, 36617), (910, 31386), (1092, 26155), (1365, 20924), (1820, 15693), (2730, 10462), (5231, 5460)]