72219420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4409}}^1$

素因数の和:4444

約数の個数: 144

約数和(自身を含む): 269680320

約数和(自身を除く): 197460900

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, 4409, 5460, 8190, 8818, 13227, 16380, 17636, 22045, 26454, 30863, 39681, 44090, 52908, 57317, 61726, 66135, 79362, 88180, 92589, 114634, 123452, 132270, 154315, 158724, 171951, 185178, 198405, 229268, 264540, 277767, 286585, 308630, 343902, 370356, 396810, 401219, 462945, 515853, 555534, 573170, 617260, 687804, 793620, 802438, 859755, 925890, 1031706, 1111068, 1146340, 1203657, 1388835, 1604876, 1719510, 1851780, 2006095, 2063412, 2407314, 2579265, 2777670, 3439020, 3610971, 4012190, 4814628, 5158530, 5555340, 6018285, 7221942, 8024380, 10317060, 12036570, 14443884, 18054855, 24073140, 36109710, 72219420]

約数ペア:

[(1, 72219420), (2, 36109710), (3, 24073140), (4, 18054855), (5, 14443884), (6, 12036570), (7, 10317060), (9, 8024380), (10, 7221942), (12, 6018285), (13, 5555340), (14, 5158530), (15, 4814628), (18, 4012190), (20, 3610971), (21, 3439020), (26, 2777670), (28, 2579265), (30, 2407314), (35, 2063412), (36, 2006095), (39, 1851780), (42, 1719510), (45, 1604876), (52, 1388835), (60, 1203657), (63, 1146340), (65, 1111068), (70, 1031706), (78, 925890), (84, 859755), (90, 802438), (91, 793620), (105, 687804), (117, 617260), (126, 573170), (130, 555534), (140, 515853), (156, 462945), (180, 401219), (182, 396810), (195, 370356), (210, 343902), (234, 308630), (252, 286585), (260, 277767), (273, 264540), (315, 229268), (364, 198405), (390, 185178), (420, 171951), (455, 158724), (468, 154315), (546, 132270), (585, 123452), (630, 114634), (780, 92589), (819, 88180), (910, 79362), (1092, 66135), (1170, 61726), (1260, 57317), (1365, 52908), (1638, 44090), (1820, 39681), (2340, 30863), (2730, 26454), (3276, 22045), (4095, 17636), (4409, 16380), (5460, 13227), (8190, 8818)]