79000020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2347}}^1$

素因数の和:2390

約数の個数: 144

約数和(自身を含む): 276913728

約数和(自身を除く): 197913708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 17, 18, 20, 22, 30, 33, 34, 36, 44, 45, 51, 55, 60, 66, 68, 85, 90, 99, 102, 110, 132, 153, 165, 170, 180, 187, 198, 204, 220, 255, 306, 330, 340, 374, 396, 495, 510, 561, 612, 660, 748, 765, 935, 990, 1020, 1122, 1530, 1683, 1870, 1980, 2244, 2347, 2805, 3060, 3366, 3740, 4694, 5610, 6732, 7041, 8415, 9388, 11220, 11735, 14082, 16830, 21123, 23470, 25817, 28164, 33660, 35205, 39899, 42246, 46940, 51634, 70410, 77451, 79798, 84492, 103268, 105615, 119697, 129085, 140820, 154902, 159596, 199495, 211230, 232353, 239394, 258170, 309804, 359091, 387255, 398990, 422460, 438889, 464706, 478788, 516340, 598485, 718182, 774510, 797980, 877778, 929412, 1161765, 1196970, 1316667, 1436364, 1549020, 1755556, 1795455, 2194445, 2323530, 2393940, 2633334, 3590910, 3950001, 4388890, 4647060, 5266668, 6583335, 7181820, 7900002, 8777780, 13166670, 15800004, 19750005, 26333340, 39500010, 79000020]

約数ペア:

[(1, 79000020), (2, 39500010), (3, 26333340), (4, 19750005), (5, 15800004), (6, 13166670), (9, 8777780), (10, 7900002), (11, 7181820), (12, 6583335), (15, 5266668), (17, 4647060), (18, 4388890), (20, 3950001), (22, 3590910), (30, 2633334), (33, 2393940), (34, 2323530), (36, 2194445), (44, 1795455), (45, 1755556), (51, 1549020), (55, 1436364), (60, 1316667), (66, 1196970), (68, 1161765), (85, 929412), (90, 877778), (99, 797980), (102, 774510), (110, 718182), (132, 598485), (153, 516340), (165, 478788), (170, 464706), (180, 438889), (187, 422460), (198, 398990), (204, 387255), (220, 359091), (255, 309804), (306, 258170), (330, 239394), (340, 232353), (374, 211230), (396, 199495), (495, 159596), (510, 154902), (561, 140820), (612, 129085), (660, 119697), (748, 105615), (765, 103268), (935, 84492), (990, 79798), (1020, 77451), (1122, 70410), (1530, 51634), (1683, 46940), (1870, 42246), (1980, 39899), (2244, 35205), (2347, 33660), (2805, 28164), (3060, 25817), (3366, 23470), (3740, 21123), (4694, 16830), (5610, 14082), (6732, 11735), (7041, 11220), (8415, 9388)]