680711940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{571}}^1$

素因数の和:802

約数の個数: 144

約数和(自身を含む): 2136214080

約数和(自身を除く): 1455502140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 179, 180, 185, 222, 333, 358, 370, 444, 537, 555, 571, 666, 716, 740, 895, 1074, 1110, 1142, 1332, 1611, 1665, 1713, 1790, 2148, 2220, 2284, 2685, 2855, 3222, 3330, 3426, 3580, 5139, 5370, 5710, 6444, 6623, 6660, 6852, 8055, 8565, 10278, 10740, 11420, 13246, 16110, 17130, 19869, 20556, 21127, 25695, 26492, 32220, 33115, 34260, 39738, 42254, 51390, 59607, 63381, 66230, 79476, 84508, 99345, 102209, 102780, 105635, 119214, 126762, 132460, 190143, 198690, 204418, 211270, 238428, 253524, 298035, 306627, 316905, 380286, 397380, 408836, 422540, 511045, 596070, 613254, 633810, 760572, 919881, 950715, 1022090, 1192140, 1226508, 1267620, 1533135, 1839762, 1901430, 2044180, 3066270, 3679524, 3781733, 3802860, 4599405, 6132540, 7563466, 9198810, 11345199, 15126932, 18397620, 18908665, 22690398, 34035597, 37817330, 45380796, 56725995, 68071194, 75634660, 113451990, 136142388, 170177985, 226903980, 340355970, 680711940]

約数ペア:

[(1, 680711940), (2, 340355970), (3, 226903980), (4, 170177985), (5, 136142388), (6, 113451990), (9, 75634660), (10, 68071194), (12, 56725995), (15, 45380796), (18, 37817330), (20, 34035597), (30, 22690398), (36, 18908665), (37, 18397620), (45, 15126932), (60, 11345199), (74, 9198810), (90, 7563466), (111, 6132540), (148, 4599405), (179, 3802860), (180, 3781733), (185, 3679524), (222, 3066270), (333, 2044180), (358, 1901430), (370, 1839762), (444, 1533135), (537, 1267620), (555, 1226508), (571, 1192140), (666, 1022090), (716, 950715), (740, 919881), (895, 760572), (1074, 633810), (1110, 613254), (1142, 596070), (1332, 511045), (1611, 422540), (1665, 408836), (1713, 397380), (1790, 380286), (2148, 316905), (2220, 306627), (2284, 298035), (2685, 253524), (2855, 238428), (3222, 211270), (3330, 204418), (3426, 198690), (3580, 190143), (5139, 132460), (5370, 126762), (5710, 119214), (6444, 105635), (6623, 102780), (6660, 102209), (6852, 99345), (8055, 84508), (8565, 79476), (10278, 66230), (10740, 63381), (11420, 59607), (13246, 51390), (16110, 42254), (17130, 39738), (19869, 34260), (20556, 33115), (21127, 32220), (25695, 26492)]