201236560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:261

約数の個数: 160

約数和(自身を含む): 560178432

約数和(自身を除く): 358941872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 61, 70, 80, 86, 112, 122, 137, 140, 172, 215, 244, 274, 280, 301, 305, 344, 427, 430, 488, 548, 560, 602, 610, 685, 688, 854, 860, 959, 976, 1096, 1204, 1220, 1370, 1505, 1708, 1720, 1918, 2135, 2192, 2408, 2440, 2623, 2740, 3010, 3416, 3440, 3836, 4270, 4795, 4816, 4880, 5246, 5480, 5891, 6020, 6832, 7672, 8357, 8540, 9590, 10492, 10960, 11782, 12040, 13115, 15344, 16714, 17080, 18361, 19180, 20984, 23564, 24080, 26230, 29455, 33428, 34160, 36722, 38360, 41237, 41785, 41968, 47128, 52460, 58499, 58910, 66856, 73444, 76720, 82474, 83570, 91805, 94256, 104920, 116998, 117820, 133712, 146888, 164948, 167140, 183610, 206185, 209840, 233996, 235640, 292495, 293776, 329896, 334280, 359351, 367220, 412370, 467992, 471280, 584990, 659792, 668560, 718702, 734440, 824740, 935984, 1169980, 1437404, 1468880, 1649480, 1796755, 2339960, 2515457, 2874808, 3298960, 3593510, 4679920, 5030914, 5749616, 7187020, 10061828, 12577285, 14374040, 20123656, 25154570, 28748080, 40247312, 50309140, 100618280, 201236560]

約数ペア:

[(1, 201236560), (2, 100618280), (4, 50309140), (5, 40247312), (7, 28748080), (8, 25154570), (10, 20123656), (14, 14374040), (16, 12577285), (20, 10061828), (28, 7187020), (35, 5749616), (40, 5030914), (43, 4679920), (56, 3593510), (61, 3298960), (70, 2874808), (80, 2515457), (86, 2339960), (112, 1796755), (122, 1649480), (137, 1468880), (140, 1437404), (172, 1169980), (215, 935984), (244, 824740), (274, 734440), (280, 718702), (301, 668560), (305, 659792), (344, 584990), (427, 471280), (430, 467992), (488, 412370), (548, 367220), (560, 359351), (602, 334280), (610, 329896), (685, 293776), (688, 292495), (854, 235640), (860, 233996), (959, 209840), (976, 206185), (1096, 183610), (1204, 167140), (1220, 164948), (1370, 146888), (1505, 133712), (1708, 117820), (1720, 116998), (1918, 104920), (2135, 94256), (2192, 91805), (2408, 83570), (2440, 82474), (2623, 76720), (2740, 73444), (3010, 66856), (3416, 58910), (3440, 58499), (3836, 52460), (4270, 47128), (4795, 41968), (4816, 41785), (4880, 41237), (5246, 38360), (5480, 36722), (5891, 34160), (6020, 33428), (6832, 29455), (7672, 26230), (8357, 24080), (8540, 23564), (9590, 20984), (10492, 19180), (10960, 18361), (11782, 17080), (12040, 16714), (13115, 15344)]