208027980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:126

約数の個数: 288

約数和(自身を含む): 726190080

約数和(自身を除く): 518162100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 31, 34, 36, 43, 45, 51, 54, 60, 62, 68, 85, 86, 90, 93, 102, 108, 124, 129, 135, 153, 155, 170, 172, 180, 186, 204, 215, 255, 258, 270, 279, 289, 306, 310, 340, 372, 387, 430, 459, 465, 510, 516, 527, 540, 558, 578, 612, 620, 645, 731, 765, 774, 837, 860, 867, 918, 930, 1020, 1054, 1116, 1156, 1161, 1290, 1333, 1395, 1445, 1462, 1530, 1548, 1581, 1674, 1734, 1836, 1860, 1935, 2108, 2193, 2295, 2322, 2580, 2601, 2635, 2666, 2790, 2890, 2924, 3060, 3162, 3348, 3468, 3655, 3870, 3999, 4185, 4335, 4386, 4590, 4644, 4743, 5202, 5270, 5332, 5580, 5780, 5805, 6324, 6579, 6665, 7310, 7740, 7803, 7905, 7998, 8370, 8670, 8772, 8959, 9180, 9486, 10404, 10540, 10965, 11610, 11997, 12427, 13005, 13158, 13330, 14229, 14620, 15606, 15810, 15996, 16740, 17340, 17918, 18972, 19737, 19995, 21930, 22661, 23220, 23715, 23994, 24854, 26010, 26316, 26660, 26877, 28458, 31212, 31620, 32895, 35836, 35991, 37281, 39015, 39474, 39990, 43860, 44795, 45322, 47430, 47988, 49708, 52020, 53754, 56916, 59985, 62135, 65790, 67983, 71145, 71982, 74562, 78030, 78948, 79980, 80631, 89590, 90644, 94860, 98685, 107508, 111843, 113305, 119970, 124270, 131580, 134385, 135966, 142290, 143964, 149124, 156060, 161262, 179180, 179955, 186405, 197370, 203949, 223686, 226610, 239940, 241893, 248540, 268770, 271932, 284580, 322524, 335529, 339915, 359910, 372810, 385237, 394740, 403155, 407898, 447372, 453220, 483786, 537540, 559215, 611847, 671058, 679830, 719820, 745620, 770474, 806310, 815796, 967572, 1019745, 1118430, 1155711, 1209465, 1223694, 1342116, 1359660, 1540948, 1612620, 1677645, 1926185, 2039490, 2236860, 2311422, 2418930, 2447388, 3059235, 3355290, 3467133, 3852370, 4078980, 4622844, 4837860, 5778555, 6118470, 6710580, 6934266, 7704740, 10401399, 11557110, 12236940, 13868532, 17335665, 20802798, 23114220, 34671330, 41605596, 52006995, 69342660, 104013990, 208027980]

約数ペア:

[(1, 208027980), (2, 104013990), (3, 69342660), (4, 52006995), (5, 41605596), (6, 34671330), (9, 23114220), (10, 20802798), (12, 17335665), (15, 13868532), (17, 12236940), (18, 11557110), (20, 10401399), (27, 7704740), (30, 6934266), (31, 6710580), (34, 6118470), (36, 5778555), (43, 4837860), (45, 4622844), (51, 4078980), (54, 3852370), (60, 3467133), (62, 3355290), (68, 3059235), (85, 2447388), (86, 2418930), (90, 2311422), (93, 2236860), (102, 2039490), (108, 1926185), (124, 1677645), (129, 1612620), (135, 1540948), (153, 1359660), (155, 1342116), (170, 1223694), (172, 1209465), (180, 1155711), (186, 1118430), (204, 1019745), (215, 967572), (255, 815796), (258, 806310), (270, 770474), (279, 745620), (289, 719820), (306, 679830), (310, 671058), (340, 611847), (372, 559215), (387, 537540), (430, 483786), (459, 453220), (465, 447372), (510, 407898), (516, 403155), (527, 394740), (540, 385237), (558, 372810), (578, 359910), (612, 339915), (620, 335529), (645, 322524), (731, 284580), (765, 271932), (774, 268770), (837, 248540), (860, 241893), (867, 239940), (918, 226610), (930, 223686), (1020, 203949), (1054, 197370), (1116, 186405), (1156, 179955), (1161, 179180), (1290, 161262), (1333, 156060), (1395, 149124), (1445, 143964), (1462, 142290), (1530, 135966), (1548, 134385), (1581, 131580), (1674, 124270), (1734, 119970), (1836, 113305), (1860, 111843), (1935, 107508), (2108, 98685), (2193, 94860), (2295, 90644), (2322, 89590), (2580, 80631), (2601, 79980), (2635, 78948), (2666, 78030), (2790, 74562), (2890, 71982), (2924, 71145), (3060, 67983), (3162, 65790), (3348, 62135), (3468, 59985), (3655, 56916), (3870, 53754), (3999, 52020), (4185, 49708), (4335, 47988), (4386, 47430), (4590, 45322), (4644, 44795), (4743, 43860), (5202, 39990), (5270, 39474), (5332, 39015), (5580, 37281), (5780, 35991), (5805, 35836), (6324, 32895), (6579, 31620), (6665, 31212), (7310, 28458), (7740, 26877), (7803, 26660), (7905, 26316), (7998, 26010), (8370, 24854), (8670, 23994), (8772, 23715), (8959, 23220), (9180, 22661), (9486, 21930), (10404, 19995), (10540, 19737), (10965, 18972), (11610, 17918), (11997, 17340), (12427, 16740), (13005, 15996), (13158, 15810), (13330, 15606), (14229, 14620)]