81587220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:330

約数の個数: 192

約数和(自身を含む): 276708096

約数和(自身を除く): 195120876

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 37, 39, 44, 52, 55, 60, 65, 66, 74, 78, 110, 111, 130, 132, 143, 148, 156, 165, 185, 195, 220, 222, 257, 260, 286, 330, 370, 390, 407, 429, 444, 481, 514, 555, 572, 660, 715, 740, 771, 780, 814, 858, 962, 1028, 1110, 1221, 1285, 1430, 1443, 1542, 1628, 1716, 1924, 2035, 2145, 2220, 2405, 2442, 2570, 2827, 2860, 2886, 3084, 3341, 3855, 4070, 4290, 4810, 4884, 5140, 5291, 5654, 5772, 6105, 6682, 7215, 7710, 8140, 8481, 8580, 9509, 9620, 10023, 10582, 11308, 12210, 13364, 14135, 14430, 15420, 15873, 16705, 16962, 19018, 20046, 21164, 24420, 26455, 28270, 28527, 28860, 31746, 33410, 33924, 36751, 38036, 40092, 42405, 47545, 50115, 52910, 56540, 57054, 63492, 66820, 73502, 79365, 84810, 95090, 100230, 104599, 105820, 110253, 114108, 123617, 142635, 147004, 158730, 169620, 183755, 190180, 200460, 209198, 220506, 247234, 285270, 313797, 317460, 367510, 370851, 418396, 441012, 494468, 522995, 551265, 570540, 618085, 627594, 735020, 741702, 1045990, 1102530, 1236170, 1255188, 1359787, 1483404, 1568985, 1854255, 2091980, 2205060, 2472340, 2719574, 3137970, 3708510, 4079361, 5439148, 6275940, 6798935, 7417020, 8158722, 13597870, 16317444, 20396805, 27195740, 40793610, 81587220]

約数ペア:

[(1, 81587220), (2, 40793610), (3, 27195740), (4, 20396805), (5, 16317444), (6, 13597870), (10, 8158722), (11, 7417020), (12, 6798935), (13, 6275940), (15, 5439148), (20, 4079361), (22, 3708510), (26, 3137970), (30, 2719574), (33, 2472340), (37, 2205060), (39, 2091980), (44, 1854255), (52, 1568985), (55, 1483404), (60, 1359787), (65, 1255188), (66, 1236170), (74, 1102530), (78, 1045990), (110, 741702), (111, 735020), (130, 627594), (132, 618085), (143, 570540), (148, 551265), (156, 522995), (165, 494468), (185, 441012), (195, 418396), (220, 370851), (222, 367510), (257, 317460), (260, 313797), (286, 285270), (330, 247234), (370, 220506), (390, 209198), (407, 200460), (429, 190180), (444, 183755), (481, 169620), (514, 158730), (555, 147004), (572, 142635), (660, 123617), (715, 114108), (740, 110253), (771, 105820), (780, 104599), (814, 100230), (858, 95090), (962, 84810), (1028, 79365), (1110, 73502), (1221, 66820), (1285, 63492), (1430, 57054), (1443, 56540), (1542, 52910), (1628, 50115), (1716, 47545), (1924, 42405), (2035, 40092), (2145, 38036), (2220, 36751), (2405, 33924), (2442, 33410), (2570, 31746), (2827, 28860), (2860, 28527), (2886, 28270), (3084, 26455), (3341, 24420), (3855, 21164), (4070, 20046), (4290, 19018), (4810, 16962), (4884, 16705), (5140, 15873), (5291, 15420), (5654, 14430), (5772, 14135), (6105, 13364), (6682, 12210), (7215, 11308), (7710, 10582), (8140, 10023), (8481, 9620), (8580, 9509)]