80808660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:318

約数の個数: 144

約数和(自身を含む): 259459200

約数和(自身を除く): 178650540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 131, 138, 149, 180, 207, 230, 262, 276, 298, 345, 393, 414, 447, 460, 524, 596, 655, 690, 745, 786, 828, 894, 1035, 1179, 1310, 1341, 1380, 1490, 1572, 1788, 1965, 2070, 2235, 2358, 2620, 2682, 2980, 3013, 3427, 3930, 4140, 4470, 4716, 5364, 5895, 6026, 6705, 6854, 7860, 8940, 9039, 10281, 11790, 12052, 13410, 13708, 15065, 17135, 18078, 19519, 20562, 23580, 26820, 27117, 30130, 30843, 34270, 36156, 39038, 41124, 45195, 51405, 54234, 58557, 60260, 61686, 68540, 78076, 90390, 97595, 102810, 108468, 117114, 123372, 135585, 154215, 175671, 180780, 195190, 205620, 234228, 271170, 292785, 308430, 351342, 390380, 448937, 542340, 585570, 616860, 702684, 878355, 897874, 1171140, 1346811, 1756710, 1795748, 2244685, 2693622, 3513420, 4040433, 4489370, 5387244, 6734055, 8080866, 8978740, 13468110, 16161732, 20202165, 26936220, 40404330, 80808660]

約数ペア:

[(1, 80808660), (2, 40404330), (3, 26936220), (4, 20202165), (5, 16161732), (6, 13468110), (9, 8978740), (10, 8080866), (12, 6734055), (15, 5387244), (18, 4489370), (20, 4040433), (23, 3513420), (30, 2693622), (36, 2244685), (45, 1795748), (46, 1756710), (60, 1346811), (69, 1171140), (90, 897874), (92, 878355), (115, 702684), (131, 616860), (138, 585570), (149, 542340), (180, 448937), (207, 390380), (230, 351342), (262, 308430), (276, 292785), (298, 271170), (345, 234228), (393, 205620), (414, 195190), (447, 180780), (460, 175671), (524, 154215), (596, 135585), (655, 123372), (690, 117114), (745, 108468), (786, 102810), (828, 97595), (894, 90390), (1035, 78076), (1179, 68540), (1310, 61686), (1341, 60260), (1380, 58557), (1490, 54234), (1572, 51405), (1788, 45195), (1965, 41124), (2070, 39038), (2235, 36156), (2358, 34270), (2620, 30843), (2682, 30130), (2980, 27117), (3013, 26820), (3427, 23580), (3930, 20562), (4140, 19519), (4470, 18078), (4716, 17135), (5364, 15065), (5895, 13708), (6026, 13410), (6705, 12052), (6854, 11790), (7860, 10281), (8940, 9039)]