91261240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{383}}^1$

素因数の和:461

約数の個数: 128

約数和(自身を含む): 252149760

約数和(自身を除く): 160888520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 37, 40, 46, 56, 70, 74, 92, 115, 140, 148, 161, 184, 185, 230, 259, 280, 296, 322, 370, 383, 460, 518, 644, 740, 766, 805, 851, 920, 1036, 1288, 1295, 1480, 1532, 1610, 1702, 1915, 2072, 2590, 2681, 3064, 3220, 3404, 3830, 4255, 5180, 5362, 5957, 6440, 6808, 7660, 8510, 8809, 10360, 10724, 11914, 13405, 14171, 15320, 17020, 17618, 21448, 23828, 26810, 28342, 29785, 34040, 35236, 44045, 47656, 53620, 56684, 59570, 61663, 70472, 70855, 88090, 99197, 107240, 113368, 119140, 123326, 141710, 176180, 198394, 238280, 246652, 283420, 308315, 325933, 352360, 396788, 493304, 495985, 566840, 616630, 651866, 793576, 991970, 1233260, 1303732, 1629665, 1983940, 2281531, 2466520, 2607464, 3259330, 3967880, 4563062, 6518660, 9126124, 11407655, 13037320, 18252248, 22815310, 45630620, 91261240]

約数ペア:

[(1, 91261240), (2, 45630620), (4, 22815310), (5, 18252248), (7, 13037320), (8, 11407655), (10, 9126124), (14, 6518660), (20, 4563062), (23, 3967880), (28, 3259330), (35, 2607464), (37, 2466520), (40, 2281531), (46, 1983940), (56, 1629665), (70, 1303732), (74, 1233260), (92, 991970), (115, 793576), (140, 651866), (148, 616630), (161, 566840), (184, 495985), (185, 493304), (230, 396788), (259, 352360), (280, 325933), (296, 308315), (322, 283420), (370, 246652), (383, 238280), (460, 198394), (518, 176180), (644, 141710), (740, 123326), (766, 119140), (805, 113368), (851, 107240), (920, 99197), (1036, 88090), (1288, 70855), (1295, 70472), (1480, 61663), (1532, 59570), (1610, 56684), (1702, 53620), (1915, 47656), (2072, 44045), (2590, 35236), (2681, 34040), (3064, 29785), (3220, 28342), (3404, 26810), (3830, 23828), (4255, 21448), (5180, 17618), (5362, 17020), (5957, 15320), (6440, 14171), (6808, 13405), (7660, 11914), (8510, 10724), (8809, 10360)]