280462260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1627}}^1$

素因数の和:1682

約数の個数: 144

約数和(自身を含む): 900922176

約数和(自身を除く): 620459916

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 102, 130, 156, 169, 170, 195, 204, 221, 255, 260, 338, 340, 390, 442, 507, 510, 663, 676, 780, 845, 884, 1014, 1020, 1105, 1326, 1627, 1690, 2028, 2210, 2535, 2652, 2873, 3254, 3315, 3380, 4420, 4881, 5070, 5746, 6508, 6630, 8135, 8619, 9762, 10140, 11492, 13260, 14365, 16270, 17238, 19524, 21151, 24405, 27659, 28730, 32540, 34476, 42302, 43095, 48810, 55318, 57460, 63453, 82977, 84604, 86190, 97620, 105755, 110636, 126906, 138295, 165954, 172380, 211510, 253812, 274963, 276590, 317265, 331908, 359567, 414885, 423020, 549926, 553180, 634530, 719134, 824889, 829770, 1078701, 1099852, 1269060, 1374815, 1438268, 1649778, 1659540, 1797835, 2157402, 2749630, 3299556, 3595670, 4124445, 4314804, 4674371, 5393505, 5499260, 7191340, 8248890, 9348742, 10787010, 14023113, 16497780, 18697484, 21574020, 23371855, 28046226, 46743710, 56092452, 70115565, 93487420, 140231130, 280462260]

約数ペア:

[(1, 280462260), (2, 140231130), (3, 93487420), (4, 70115565), (5, 56092452), (6, 46743710), (10, 28046226), (12, 23371855), (13, 21574020), (15, 18697484), (17, 16497780), (20, 14023113), (26, 10787010), (30, 9348742), (34, 8248890), (39, 7191340), (51, 5499260), (52, 5393505), (60, 4674371), (65, 4314804), (68, 4124445), (78, 3595670), (85, 3299556), (102, 2749630), (130, 2157402), (156, 1797835), (169, 1659540), (170, 1649778), (195, 1438268), (204, 1374815), (221, 1269060), (255, 1099852), (260, 1078701), (338, 829770), (340, 824889), (390, 719134), (442, 634530), (507, 553180), (510, 549926), (663, 423020), (676, 414885), (780, 359567), (845, 331908), (884, 317265), (1014, 276590), (1020, 274963), (1105, 253812), (1326, 211510), (1627, 172380), (1690, 165954), (2028, 138295), (2210, 126906), (2535, 110636), (2652, 105755), (2873, 97620), (3254, 86190), (3315, 84604), (3380, 82977), (4420, 63453), (4881, 57460), (5070, 55318), (5746, 48810), (6508, 43095), (6630, 42302), (8135, 34476), (8619, 32540), (9762, 28730), (10140, 27659), (11492, 24405), (13260, 21151), (14365, 19524), (16270, 17238)]