80514980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:166

約数の個数: 144

約数和(自身を含む): 216929664

約数和(自身を除く): 136414684

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 41, 52, 65, 70, 82, 83, 91, 130, 140, 164, 166, 169, 182, 205, 260, 287, 332, 338, 364, 410, 415, 455, 533, 574, 581, 676, 820, 830, 845, 910, 1066, 1079, 1148, 1162, 1183, 1435, 1660, 1690, 1820, 2132, 2158, 2324, 2366, 2665, 2870, 2905, 3380, 3403, 3731, 4316, 4732, 5330, 5395, 5740, 5810, 5915, 6806, 6929, 7462, 7553, 10660, 10790, 11620, 11830, 13612, 13858, 14027, 14924, 15106, 17015, 18655, 21580, 23660, 23821, 27716, 28054, 30212, 34030, 34645, 37310, 37765, 44239, 47642, 48503, 56108, 68060, 69290, 70135, 74620, 75530, 88478, 95284, 97006, 98189, 119105, 138580, 140270, 151060, 176956, 194012, 196378, 221195, 238210, 242515, 280540, 309673, 392756, 442390, 476420, 485030, 490945, 575107, 619346, 884780, 970060, 981890, 1150214, 1238692, 1548365, 1963780, 2300428, 2875535, 3096730, 4025749, 5751070, 6193460, 8051498, 11502140, 16102996, 20128745, 40257490, 80514980]

約数ペア:

[(1, 80514980), (2, 40257490), (4, 20128745), (5, 16102996), (7, 11502140), (10, 8051498), (13, 6193460), (14, 5751070), (20, 4025749), (26, 3096730), (28, 2875535), (35, 2300428), (41, 1963780), (52, 1548365), (65, 1238692), (70, 1150214), (82, 981890), (83, 970060), (91, 884780), (130, 619346), (140, 575107), (164, 490945), (166, 485030), (169, 476420), (182, 442390), (205, 392756), (260, 309673), (287, 280540), (332, 242515), (338, 238210), (364, 221195), (410, 196378), (415, 194012), (455, 176956), (533, 151060), (574, 140270), (581, 138580), (676, 119105), (820, 98189), (830, 97006), (845, 95284), (910, 88478), (1066, 75530), (1079, 74620), (1148, 70135), (1162, 69290), (1183, 68060), (1435, 56108), (1660, 48503), (1690, 47642), (1820, 44239), (2132, 37765), (2158, 37310), (2324, 34645), (2366, 34030), (2665, 30212), (2870, 28054), (2905, 27716), (3380, 23821), (3403, 23660), (3731, 21580), (4316, 18655), (4732, 17015), (5330, 15106), (5395, 14924), (5740, 14027), (5810, 13858), (5915, 13612), (6806, 11830), (6929, 11620), (7462, 10790), (7553, 10660)]