79120980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:278

約数の個数: 144

約数和(自身を含む): 250967808

約数和(自身を除く): 171846828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 71, 82, 90, 123, 142, 151, 164, 180, 205, 213, 246, 284, 302, 355, 369, 410, 426, 453, 492, 604, 615, 639, 710, 738, 755, 820, 852, 906, 1065, 1230, 1278, 1359, 1420, 1476, 1510, 1812, 1845, 2130, 2265, 2460, 2556, 2718, 2911, 3020, 3195, 3690, 4260, 4530, 5436, 5822, 6191, 6390, 6795, 7380, 8733, 9060, 10721, 11644, 12382, 12780, 13590, 14555, 17466, 18573, 21442, 24764, 26199, 27180, 29110, 30955, 32163, 34932, 37146, 42884, 43665, 52398, 53605, 55719, 58220, 61910, 64326, 74292, 87330, 92865, 96489, 104796, 107210, 111438, 123820, 128652, 130995, 160815, 174660, 185730, 192978, 214420, 222876, 261990, 278595, 321630, 371460, 385956, 439561, 482445, 523980, 557190, 643260, 879122, 964890, 1114380, 1318683, 1758244, 1929780, 2197805, 2637366, 3956049, 4395610, 5274732, 6593415, 7912098, 8791220, 13186830, 15824196, 19780245, 26373660, 39560490, 79120980]

約数ペア:

[(1, 79120980), (2, 39560490), (3, 26373660), (4, 19780245), (5, 15824196), (6, 13186830), (9, 8791220), (10, 7912098), (12, 6593415), (15, 5274732), (18, 4395610), (20, 3956049), (30, 2637366), (36, 2197805), (41, 1929780), (45, 1758244), (60, 1318683), (71, 1114380), (82, 964890), (90, 879122), (123, 643260), (142, 557190), (151, 523980), (164, 482445), (180, 439561), (205, 385956), (213, 371460), (246, 321630), (284, 278595), (302, 261990), (355, 222876), (369, 214420), (410, 192978), (426, 185730), (453, 174660), (492, 160815), (604, 130995), (615, 128652), (639, 123820), (710, 111438), (738, 107210), (755, 104796), (820, 96489), (852, 92865), (906, 87330), (1065, 74292), (1230, 64326), (1278, 61910), (1359, 58220), (1420, 55719), (1476, 53605), (1510, 52398), (1812, 43665), (1845, 42884), (2130, 37146), (2265, 34932), (2460, 32163), (2556, 30955), (2718, 29110), (2911, 27180), (3020, 26199), (3195, 24764), (3690, 21442), (4260, 18573), (4530, 17466), (5436, 14555), (5822, 13590), (6191, 12780), (6390, 12382), (6795, 11644), (7380, 10721), (8733, 9060)]