78021160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1$

素因数の和:515

約数の個数: 128

約数和(自身を含む): 218661120

約数和(自身を除く): 140639960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 37, 40, 56, 68, 70, 74, 85, 119, 136, 140, 148, 170, 185, 238, 259, 280, 296, 340, 370, 443, 476, 518, 595, 629, 680, 740, 886, 952, 1036, 1190, 1258, 1295, 1480, 1772, 2072, 2215, 2380, 2516, 2590, 3101, 3145, 3544, 4403, 4430, 4760, 5032, 5180, 6202, 6290, 7531, 8806, 8860, 10360, 12404, 12580, 15062, 15505, 16391, 17612, 17720, 22015, 24808, 25160, 30124, 31010, 32782, 35224, 37655, 44030, 52717, 60248, 62020, 65564, 75310, 81955, 88060, 105434, 114737, 124040, 131128, 150620, 163910, 176120, 210868, 229474, 263585, 278647, 301240, 327820, 421736, 458948, 527170, 557294, 573685, 655640, 917896, 1054340, 1114588, 1147370, 1393235, 1950529, 2108680, 2229176, 2294740, 2786470, 3901058, 4589480, 5572940, 7802116, 9752645, 11145880, 15604232, 19505290, 39010580, 78021160]

約数ペア:

[(1, 78021160), (2, 39010580), (4, 19505290), (5, 15604232), (7, 11145880), (8, 9752645), (10, 7802116), (14, 5572940), (17, 4589480), (20, 3901058), (28, 2786470), (34, 2294740), (35, 2229176), (37, 2108680), (40, 1950529), (56, 1393235), (68, 1147370), (70, 1114588), (74, 1054340), (85, 917896), (119, 655640), (136, 573685), (140, 557294), (148, 527170), (170, 458948), (185, 421736), (238, 327820), (259, 301240), (280, 278647), (296, 263585), (340, 229474), (370, 210868), (443, 176120), (476, 163910), (518, 150620), (595, 131128), (629, 124040), (680, 114737), (740, 105434), (886, 88060), (952, 81955), (1036, 75310), (1190, 65564), (1258, 62020), (1295, 60248), (1480, 52717), (1772, 44030), (2072, 37655), (2215, 35224), (2380, 32782), (2516, 31010), (2590, 30124), (3101, 25160), (3145, 24808), (3544, 22015), (4403, 17720), (4430, 17612), (4760, 16391), (5032, 15505), (5180, 15062), (6202, 12580), (6290, 12404), (7531, 10360), (8806, 8860)]