279752460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{587}}^1$

素因数の和:672

約数の個数: 144

約数和(自身を含む): 867718656

約数和(自身を除く): 587966196

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 47, 52, 60, 65, 78, 94, 130, 141, 156, 169, 188, 195, 235, 260, 282, 338, 390, 470, 507, 564, 587, 611, 676, 705, 780, 845, 940, 1014, 1174, 1222, 1410, 1690, 1761, 1833, 2028, 2348, 2444, 2535, 2820, 2935, 3055, 3380, 3522, 3666, 5070, 5870, 6110, 7044, 7332, 7631, 7943, 8805, 9165, 10140, 11740, 12220, 15262, 15886, 17610, 18330, 22893, 23829, 27589, 30524, 31772, 35220, 36660, 38155, 39715, 45786, 47658, 55178, 76310, 79430, 82767, 91572, 95316, 99203, 110356, 114465, 119145, 137945, 152620, 158860, 165534, 198406, 228930, 238290, 275890, 297609, 331068, 358657, 396812, 413835, 457860, 476580, 496015, 551780, 595218, 717314, 827670, 992030, 1075971, 1190436, 1434628, 1488045, 1655340, 1793285, 1984060, 2151942, 2976090, 3586570, 4303884, 4662541, 5379855, 5952180, 7173140, 9325082, 10759710, 13987623, 18650164, 21519420, 23312705, 27975246, 46625410, 55950492, 69938115, 93250820, 139876230, 279752460]

約数ペア:

[(1, 279752460), (2, 139876230), (3, 93250820), (4, 69938115), (5, 55950492), (6, 46625410), (10, 27975246), (12, 23312705), (13, 21519420), (15, 18650164), (20, 13987623), (26, 10759710), (30, 9325082), (39, 7173140), (47, 5952180), (52, 5379855), (60, 4662541), (65, 4303884), (78, 3586570), (94, 2976090), (130, 2151942), (141, 1984060), (156, 1793285), (169, 1655340), (188, 1488045), (195, 1434628), (235, 1190436), (260, 1075971), (282, 992030), (338, 827670), (390, 717314), (470, 595218), (507, 551780), (564, 496015), (587, 476580), (611, 457860), (676, 413835), (705, 396812), (780, 358657), (845, 331068), (940, 297609), (1014, 275890), (1174, 238290), (1222, 228930), (1410, 198406), (1690, 165534), (1761, 158860), (1833, 152620), (2028, 137945), (2348, 119145), (2444, 114465), (2535, 110356), (2820, 99203), (2935, 95316), (3055, 91572), (3380, 82767), (3522, 79430), (3666, 76310), (5070, 55178), (5870, 47658), (6110, 45786), (7044, 39715), (7332, 38155), (7631, 36660), (7943, 35220), (8805, 31772), (9165, 30524), (10140, 27589), (11740, 23829), (12220, 22893), (15262, 18330), (15886, 17610)]