668015280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^2$

素因数の和:396

約数の個数: 180

約数和(自身を含む): 2329249728

約数和(自身を除く): 1661234448

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 173, 180, 186, 240, 248, 279, 310, 346, 360, 372, 465, 496, 519, 558, 620, 692, 720, 744, 865, 930, 1038, 1116, 1240, 1384, 1395, 1488, 1557, 1730, 1860, 2076, 2232, 2480, 2595, 2768, 2790, 3114, 3460, 3720, 4152, 4464, 5190, 5363, 5580, 6228, 6920, 7440, 7785, 8304, 10380, 10726, 11160, 12456, 13840, 15570, 16089, 20760, 21452, 22320, 24912, 26815, 29929, 31140, 32178, 41520, 42904, 48267, 53630, 59858, 62280, 64356, 80445, 85808, 89787, 96534, 107260, 119716, 124560, 128712, 149645, 160890, 179574, 193068, 214520, 239432, 241335, 257424, 269361, 299290, 321780, 359148, 386136, 429040, 448935, 478864, 482670, 538722, 598580, 643560, 718296, 772272, 897870, 927799, 965340, 1077444, 1197160, 1287120, 1346805, 1436592, 1795740, 1855598, 1930680, 2154888, 2394320, 2693610, 2783397, 3591480, 3711196, 3861360, 4309776, 4638995, 5387220, 5566794, 7182960, 7422392, 8350191, 9277990, 10774440, 11133588, 13916985, 14844784, 16700382, 18555980, 21548880, 22267176, 27833970, 33400764, 37111960, 41750955, 44534352, 55667940, 66801528, 74223920, 83501910, 111335880, 133603056, 167003820, 222671760, 334007640, 668015280]

約数ペア:

[(1, 668015280), (2, 334007640), (3, 222671760), (4, 167003820), (5, 133603056), (6, 111335880), (8, 83501910), (9, 74223920), (10, 66801528), (12, 55667940), (15, 44534352), (16, 41750955), (18, 37111960), (20, 33400764), (24, 27833970), (30, 22267176), (31, 21548880), (36, 18555980), (40, 16700382), (45, 14844784), (48, 13916985), (60, 11133588), (62, 10774440), (72, 9277990), (80, 8350191), (90, 7422392), (93, 7182960), (120, 5566794), (124, 5387220), (144, 4638995), (155, 4309776), (173, 3861360), (180, 3711196), (186, 3591480), (240, 2783397), (248, 2693610), (279, 2394320), (310, 2154888), (346, 1930680), (360, 1855598), (372, 1795740), (465, 1436592), (496, 1346805), (519, 1287120), (558, 1197160), (620, 1077444), (692, 965340), (720, 927799), (744, 897870), (865, 772272), (930, 718296), (1038, 643560), (1116, 598580), (1240, 538722), (1384, 482670), (1395, 478864), (1488, 448935), (1557, 429040), (1730, 386136), (1860, 359148), (2076, 321780), (2232, 299290), (2480, 269361), (2595, 257424), (2768, 241335), (2790, 239432), (3114, 214520), (3460, 193068), (3720, 179574), (4152, 160890), (4464, 149645), (5190, 128712), (5363, 124560), (5580, 119716), (6228, 107260), (6920, 96534), (7440, 89787), (7785, 85808), (8304, 80445), (10380, 64356), (10726, 62280), (11160, 59858), (12456, 53630), (13840, 48267), (15570, 42904), (16089, 41520), (20760, 32178), (21452, 31140), (22320, 29929), (24912, 26815)]