647157420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39509}}^1$

素因数の和:39544

約数の個数: 144

約数和(自身を含む): 2416115520

約数和(自身を除く): 1768958100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 16380, 39509, 79018, 118527, 158036, 197545, 237054, 276563, 355581, 395090, 474108, 513617, 553126, 592635, 711162, 790180, 829689, 1027234, 1106252, 1185270, 1382815, 1422324, 1540851, 1659378, 1777905, 2054468, 2370540, 2489067, 2568085, 2765630, 3081702, 3318756, 3555810, 3595319, 4148445, 4622553, 4978134, 5136170, 5531260, 6163404, 7111620, 7190638, 7704255, 8296890, 9245106, 9956268, 10272340, 10785957, 12445335, 14381276, 15408510, 16593780, 17976595, 18490212, 21571914, 23112765, 24890670, 30817020, 32357871, 35953190, 43143828, 46225530, 49781340, 53929785, 64715742, 71906380, 92451060, 107859570, 129431484, 161789355, 215719140, 323578710, 647157420]

約数ペア:

[(1, 647157420), (2, 323578710), (3, 215719140), (4, 161789355), (5, 129431484), (6, 107859570), (7, 92451060), (9, 71906380), (10, 64715742), (12, 53929785), (13, 49781340), (14, 46225530), (15, 43143828), (18, 35953190), (20, 32357871), (21, 30817020), (26, 24890670), (28, 23112765), (30, 21571914), (35, 18490212), (36, 17976595), (39, 16593780), (42, 15408510), (45, 14381276), (52, 12445335), (60, 10785957), (63, 10272340), (65, 9956268), (70, 9245106), (78, 8296890), (84, 7704255), (90, 7190638), (91, 7111620), (105, 6163404), (117, 5531260), (126, 5136170), (130, 4978134), (140, 4622553), (156, 4148445), (180, 3595319), (182, 3555810), (195, 3318756), (210, 3081702), (234, 2765630), (252, 2568085), (260, 2489067), (273, 2370540), (315, 2054468), (364, 1777905), (390, 1659378), (420, 1540851), (455, 1422324), (468, 1382815), (546, 1185270), (585, 1106252), (630, 1027234), (780, 829689), (819, 790180), (910, 711162), (1092, 592635), (1170, 553126), (1260, 513617), (1365, 474108), (1638, 395090), (1820, 355581), (2340, 276563), (2730, 237054), (3276, 197545), (4095, 158036), (5460, 118527), (8190, 79018), (16380, 39509)]