79808880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:695

約数の個数: 160

約数和(自身を含む): 270839808

約数和(自身を除く): 191030928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 31, 34, 40, 48, 51, 60, 62, 68, 80, 85, 93, 102, 120, 124, 136, 155, 170, 186, 204, 240, 248, 255, 272, 310, 340, 372, 408, 465, 496, 510, 527, 620, 631, 680, 744, 816, 930, 1020, 1054, 1240, 1262, 1360, 1488, 1581, 1860, 1893, 2040, 2108, 2480, 2524, 2635, 3155, 3162, 3720, 3786, 4080, 4216, 5048, 5270, 6310, 6324, 7440, 7572, 7905, 8432, 9465, 10096, 10540, 10727, 12620, 12648, 15144, 15810, 18930, 19561, 21080, 21454, 25240, 25296, 30288, 31620, 32181, 37860, 39122, 42160, 42908, 50480, 53635, 58683, 63240, 64362, 75720, 78244, 85816, 97805, 107270, 117366, 126480, 128724, 151440, 156488, 160905, 171632, 195610, 214540, 234732, 257448, 293415, 312976, 321810, 332537, 391220, 429080, 469464, 514896, 586830, 643620, 665074, 782440, 858160, 938928, 997611, 1173660, 1287240, 1330148, 1564880, 1662685, 1995222, 2347320, 2574480, 2660296, 3325370, 3990444, 4694640, 4988055, 5320592, 6650740, 7980888, 9976110, 13301480, 15961776, 19952220, 26602960, 39904440, 79808880]

約数ペア:

[(1, 79808880), (2, 39904440), (3, 26602960), (4, 19952220), (5, 15961776), (6, 13301480), (8, 9976110), (10, 7980888), (12, 6650740), (15, 5320592), (16, 4988055), (17, 4694640), (20, 3990444), (24, 3325370), (30, 2660296), (31, 2574480), (34, 2347320), (40, 1995222), (48, 1662685), (51, 1564880), (60, 1330148), (62, 1287240), (68, 1173660), (80, 997611), (85, 938928), (93, 858160), (102, 782440), (120, 665074), (124, 643620), (136, 586830), (155, 514896), (170, 469464), (186, 429080), (204, 391220), (240, 332537), (248, 321810), (255, 312976), (272, 293415), (310, 257448), (340, 234732), (372, 214540), (408, 195610), (465, 171632), (496, 160905), (510, 156488), (527, 151440), (620, 128724), (631, 126480), (680, 117366), (744, 107270), (816, 97805), (930, 85816), (1020, 78244), (1054, 75720), (1240, 64362), (1262, 63240), (1360, 58683), (1488, 53635), (1581, 50480), (1860, 42908), (1893, 42160), (2040, 39122), (2108, 37860), (2480, 32181), (2524, 31620), (2635, 30288), (3155, 25296), (3162, 25240), (3720, 21454), (3786, 21080), (4080, 19561), (4216, 18930), (5048, 15810), (5270, 15144), (6310, 12648), (6324, 12620), (7440, 10727), (7572, 10540), (7905, 10096), (8432, 9465)]