280969260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{229}}^1$

素因数の和:289

約数の個数: 216

約数和(自身を含む): 940458960

約数和(自身を除く): 659489700

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 121, 130, 132, 143, 156, 165, 169, 195, 220, 229, 242, 260, 286, 330, 338, 363, 390, 429, 458, 484, 507, 572, 605, 660, 676, 687, 715, 726, 780, 845, 858, 916, 1014, 1145, 1210, 1374, 1430, 1452, 1573, 1690, 1716, 1815, 1859, 2028, 2145, 2290, 2420, 2519, 2535, 2748, 2860, 2977, 3146, 3380, 3435, 3630, 3718, 4290, 4580, 4719, 5038, 5070, 5577, 5954, 6292, 6870, 7260, 7436, 7557, 7865, 8580, 8931, 9295, 9438, 10076, 10140, 11154, 11908, 12595, 13740, 14885, 15114, 15730, 17862, 18590, 18876, 20449, 22308, 23595, 25190, 27709, 27885, 29770, 30228, 31460, 32747, 35724, 37180, 37785, 38701, 40898, 44655, 47190, 50380, 55418, 55770, 59540, 61347, 65494, 75570, 77402, 81796, 83127, 89310, 94380, 98241, 102245, 110836, 111540, 116103, 122694, 130988, 138545, 151140, 154804, 163735, 166254, 178620, 193505, 196482, 204490, 232206, 245388, 277090, 306735, 327470, 332508, 360217, 387010, 392964, 408980, 415635, 425711, 464412, 491205, 554180, 580515, 613470, 654940, 720434, 774020, 831270, 851422, 982410, 1080651, 1161030, 1226940, 1277133, 1440868, 1662540, 1702844, 1801085, 1964820, 2128555, 2161302, 2322060, 2554266, 3602170, 4257110, 4322604, 4682821, 5108532, 5403255, 6385665, 7204340, 8514220, 9365642, 10806510, 12771330, 14048463, 18731284, 21613020, 23414105, 25542660, 28096926, 46828210, 56193852, 70242315, 93656420, 140484630, 280969260]

約数ペア:

[(1, 280969260), (2, 140484630), (3, 93656420), (4, 70242315), (5, 56193852), (6, 46828210), (10, 28096926), (11, 25542660), (12, 23414105), (13, 21613020), (15, 18731284), (20, 14048463), (22, 12771330), (26, 10806510), (30, 9365642), (33, 8514220), (39, 7204340), (44, 6385665), (52, 5403255), (55, 5108532), (60, 4682821), (65, 4322604), (66, 4257110), (78, 3602170), (110, 2554266), (121, 2322060), (130, 2161302), (132, 2128555), (143, 1964820), (156, 1801085), (165, 1702844), (169, 1662540), (195, 1440868), (220, 1277133), (229, 1226940), (242, 1161030), (260, 1080651), (286, 982410), (330, 851422), (338, 831270), (363, 774020), (390, 720434), (429, 654940), (458, 613470), (484, 580515), (507, 554180), (572, 491205), (605, 464412), (660, 425711), (676, 415635), (687, 408980), (715, 392964), (726, 387010), (780, 360217), (845, 332508), (858, 327470), (916, 306735), (1014, 277090), (1145, 245388), (1210, 232206), (1374, 204490), (1430, 196482), (1452, 193505), (1573, 178620), (1690, 166254), (1716, 163735), (1815, 154804), (1859, 151140), (2028, 138545), (2145, 130988), (2290, 122694), (2420, 116103), (2519, 111540), (2535, 110836), (2748, 102245), (2860, 98241), (2977, 94380), (3146, 89310), (3380, 83127), (3435, 81796), (3630, 77402), (3718, 75570), (4290, 65494), (4580, 61347), (4719, 59540), (5038, 55770), (5070, 55418), (5577, 50380), (5954, 47190), (6292, 44655), (6870, 40898), (7260, 38701), (7436, 37785), (7557, 37180), (7865, 35724), (8580, 32747), (8931, 31460), (9295, 30228), (9438, 29770), (10076, 27885), (10140, 27709), (11154, 25190), (11908, 23595), (12595, 22308), (13740, 20449), (14885, 18876), (15114, 18590), (15730, 17862)]