2689421120

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{751}}^1$

素因数の和:837

約数の個数: 168

約数和(自身を含む): 6986308608

約数和(自身を除く): 4296887488

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 152, 155, 160, 190, 248, 304, 310, 320, 361, 380, 496, 589, 608, 620, 722, 751, 760, 992, 1178, 1216, 1240, 1444, 1502, 1520, 1805, 1984, 2356, 2480, 2888, 2945, 3004, 3040, 3610, 3755, 4712, 4960, 5776, 5890, 6008, 6080, 7220, 7510, 9424, 9920, 11191, 11552, 11780, 12016, 14269, 14440, 15020, 18848, 22382, 23104, 23281, 23560, 24032, 28538, 28880, 30040, 37696, 44764, 46562, 47120, 48064, 55955, 57076, 57760, 60080, 71345, 89528, 93124, 94240, 111910, 114152, 115520, 116405, 120160, 142690, 179056, 186248, 188480, 223820, 228304, 232810, 240320, 271111, 285380, 358112, 372496, 442339, 447640, 456608, 465620, 542222, 570760, 716224, 744992, 884678, 895280, 913216, 931240, 1084444, 1141520, 1355555, 1489984, 1769356, 1790560, 1862480, 2168888, 2211695, 2283040, 2711110, 3538712, 3581120, 3724960, 4337776, 4423390, 4566080, 5422220, 7077424, 7449920, 8404441, 8675552, 8846780, 10844440, 14154848, 16808882, 17351104, 17693560, 21688880, 28309696, 33617764, 35387120, 42022205, 43377760, 67235528, 70774240, 84044410, 86755520, 134471056, 141548480, 168088820, 268942112, 336177640, 537884224, 672355280, 1344710560, 2689421120]

約数ペア:

[(1, 2689421120), (2, 1344710560), (4, 672355280), (5, 537884224), (8, 336177640), (10, 268942112), (16, 168088820), (19, 141548480), (20, 134471056), (31, 86755520), (32, 84044410), (38, 70774240), (40, 67235528), (62, 43377760), (64, 42022205), (76, 35387120), (80, 33617764), (95, 28309696), (124, 21688880), (152, 17693560), (155, 17351104), (160, 16808882), (190, 14154848), (248, 10844440), (304, 8846780), (310, 8675552), (320, 8404441), (361, 7449920), (380, 7077424), (496, 5422220), (589, 4566080), (608, 4423390), (620, 4337776), (722, 3724960), (751, 3581120), (760, 3538712), (992, 2711110), (1178, 2283040), (1216, 2211695), (1240, 2168888), (1444, 1862480), (1502, 1790560), (1520, 1769356), (1805, 1489984), (1984, 1355555), (2356, 1141520), (2480, 1084444), (2888, 931240), (2945, 913216), (3004, 895280), (3040, 884678), (3610, 744992), (3755, 716224), (4712, 570760), (4960, 542222), (5776, 465620), (5890, 456608), (6008, 447640), (6080, 442339), (7220, 372496), (7510, 358112), (9424, 285380), (9920, 271111), (11191, 240320), (11552, 232810), (11780, 228304), (12016, 223820), (14269, 188480), (14440, 186248), (15020, 179056), (18848, 142690), (22382, 120160), (23104, 116405), (23281, 115520), (23560, 114152), (24032, 111910), (28538, 94240), (28880, 93124), (30040, 89528), (37696, 71345), (44764, 60080), (46562, 57760), (47120, 57076), (48064, 55955)]