77222840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:229

約数の個数: 128

約数和(自身を含む): 199584000

約数和(自身を除く): 122361160

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 43, 68, 76, 85, 86, 95, 136, 139, 152, 170, 172, 190, 215, 278, 323, 340, 344, 380, 430, 556, 646, 680, 695, 731, 760, 817, 860, 1112, 1292, 1390, 1462, 1615, 1634, 1720, 2363, 2584, 2641, 2780, 2924, 3230, 3268, 3655, 4085, 4726, 5282, 5560, 5848, 5977, 6460, 6536, 7310, 8170, 9452, 10564, 11815, 11954, 12920, 13205, 13889, 14620, 16340, 18904, 21128, 23630, 23908, 26410, 27778, 29240, 29885, 32680, 44897, 47260, 47816, 52820, 55556, 59770, 69445, 89794, 94520, 101609, 105640, 111112, 113563, 119540, 138890, 179588, 203218, 224485, 227126, 239080, 277780, 359176, 406436, 448970, 454252, 508045, 555560, 567815, 812872, 897940, 908504, 1016090, 1135630, 1795880, 1930571, 2032180, 2271260, 3861142, 4064360, 4542520, 7722284, 9652855, 15444568, 19305710, 38611420, 77222840]

約数ペア:

[(1, 77222840), (2, 38611420), (4, 19305710), (5, 15444568), (8, 9652855), (10, 7722284), (17, 4542520), (19, 4064360), (20, 3861142), (34, 2271260), (38, 2032180), (40, 1930571), (43, 1795880), (68, 1135630), (76, 1016090), (85, 908504), (86, 897940), (95, 812872), (136, 567815), (139, 555560), (152, 508045), (170, 454252), (172, 448970), (190, 406436), (215, 359176), (278, 277780), (323, 239080), (340, 227126), (344, 224485), (380, 203218), (430, 179588), (556, 138890), (646, 119540), (680, 113563), (695, 111112), (731, 105640), (760, 101609), (817, 94520), (860, 89794), (1112, 69445), (1292, 59770), (1390, 55556), (1462, 52820), (1615, 47816), (1634, 47260), (1720, 44897), (2363, 32680), (2584, 29885), (2641, 29240), (2780, 27778), (2924, 26410), (3230, 23908), (3268, 23630), (3655, 21128), (4085, 18904), (4726, 16340), (5282, 14620), (5560, 13889), (5848, 13205), (5977, 12920), (6460, 11954), (6536, 11815), (7310, 10564), (8170, 9452)]