78201530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:156

約数の個数: 128

約数和(自身を含む): 179159040

約数和(自身を除く): 100957510

約数列:

[1, 2, 5, 10, 11, 17, 19, 22, 31, 34, 38, 55, 62, 71, 85, 95, 110, 142, 155, 170, 187, 190, 209, 310, 323, 341, 355, 374, 418, 527, 589, 646, 682, 710, 781, 935, 1045, 1054, 1178, 1207, 1349, 1562, 1615, 1705, 1870, 2090, 2201, 2414, 2635, 2698, 2945, 3230, 3410, 3553, 3905, 4402, 5270, 5797, 5890, 6035, 6479, 6745, 7106, 7810, 10013, 11005, 11594, 12070, 12958, 13277, 13490, 14839, 17765, 20026, 22010, 22933, 24211, 26554, 28985, 29678, 32395, 35530, 37417, 41819, 45866, 48422, 50065, 57970, 64790, 66385, 74195, 74834, 83638, 100130, 110143, 114665, 121055, 132770, 148390, 187085, 209095, 220286, 229330, 242110, 252263, 374170, 411587, 418190, 460009, 504526, 550715, 710923, 823174, 920018, 1101430, 1261315, 1421846, 2057935, 2300045, 2522630, 3554615, 4115870, 4600090, 7109230, 7820153, 15640306, 39100765, 78201530]

約数ペア:

[(1, 78201530), (2, 39100765), (5, 15640306), (10, 7820153), (11, 7109230), (17, 4600090), (19, 4115870), (22, 3554615), (31, 2522630), (34, 2300045), (38, 2057935), (55, 1421846), (62, 1261315), (71, 1101430), (85, 920018), (95, 823174), (110, 710923), (142, 550715), (155, 504526), (170, 460009), (187, 418190), (190, 411587), (209, 374170), (310, 252263), (323, 242110), (341, 229330), (355, 220286), (374, 209095), (418, 187085), (527, 148390), (589, 132770), (646, 121055), (682, 114665), (710, 110143), (781, 100130), (935, 83638), (1045, 74834), (1054, 74195), (1178, 66385), (1207, 64790), (1349, 57970), (1562, 50065), (1615, 48422), (1705, 45866), (1870, 41819), (2090, 37417), (2201, 35530), (2414, 32395), (2635, 29678), (2698, 28985), (2945, 26554), (3230, 24211), (3410, 22933), (3553, 22010), (3905, 20026), (4402, 17765), (5270, 14839), (5797, 13490), (5890, 13277), (6035, 12958), (6479, 12070), (6745, 11594), (7106, 11005), (7810, 10013)]