87893680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:195

約数の個数: 160

約数和(自身を含む): 247984128

約数和(自身を除く): 160090448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 61, 62, 70, 80, 83, 112, 122, 124, 140, 155, 166, 217, 244, 248, 280, 305, 310, 332, 415, 427, 434, 488, 496, 560, 581, 610, 620, 664, 830, 854, 868, 976, 1085, 1162, 1220, 1240, 1328, 1660, 1708, 1736, 1891, 2135, 2170, 2324, 2440, 2480, 2573, 2905, 3320, 3416, 3472, 3782, 4270, 4340, 4648, 4880, 5063, 5146, 5810, 6640, 6832, 7564, 8540, 8680, 9296, 9455, 10126, 10292, 11620, 12865, 13237, 15128, 17080, 17360, 18011, 18910, 20252, 20584, 23240, 25315, 25730, 26474, 30256, 34160, 35441, 36022, 37820, 40504, 41168, 46480, 50630, 51460, 52948, 66185, 70882, 72044, 75640, 81008, 90055, 101260, 102920, 105896, 132370, 141764, 144088, 151280, 156953, 177205, 180110, 202520, 205840, 211792, 264740, 283528, 288176, 313906, 354410, 360220, 405040, 529480, 567056, 627812, 708820, 720440, 784765, 1058960, 1098671, 1255624, 1417640, 1440880, 1569530, 2197342, 2511248, 2835280, 3139060, 4394684, 5493355, 6278120, 8789368, 10986710, 12556240, 17578736, 21973420, 43946840, 87893680]

約数ペア:

[(1, 87893680), (2, 43946840), (4, 21973420), (5, 17578736), (7, 12556240), (8, 10986710), (10, 8789368), (14, 6278120), (16, 5493355), (20, 4394684), (28, 3139060), (31, 2835280), (35, 2511248), (40, 2197342), (56, 1569530), (61, 1440880), (62, 1417640), (70, 1255624), (80, 1098671), (83, 1058960), (112, 784765), (122, 720440), (124, 708820), (140, 627812), (155, 567056), (166, 529480), (217, 405040), (244, 360220), (248, 354410), (280, 313906), (305, 288176), (310, 283528), (332, 264740), (415, 211792), (427, 205840), (434, 202520), (488, 180110), (496, 177205), (560, 156953), (581, 151280), (610, 144088), (620, 141764), (664, 132370), (830, 105896), (854, 102920), (868, 101260), (976, 90055), (1085, 81008), (1162, 75640), (1220, 72044), (1240, 70882), (1328, 66185), (1660, 52948), (1708, 51460), (1736, 50630), (1891, 46480), (2135, 41168), (2170, 40504), (2324, 37820), (2440, 36022), (2480, 35441), (2573, 34160), (2905, 30256), (3320, 26474), (3416, 25730), (3472, 25315), (3782, 23240), (4270, 20584), (4340, 20252), (4648, 18910), (4880, 18011), (5063, 17360), (5146, 17080), (5810, 15128), (6640, 13237), (6832, 12865), (7564, 11620), (8540, 10292), (8680, 10126), (9296, 9455)]