1977445710

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{128489}}^1$

素因数の和:128527

約数の個数: 80

約数和(自身を含む): 5597024400

約数和(自身を除く): 3619578690

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 81, 90, 95, 114, 135, 162, 171, 190, 270, 285, 342, 405, 513, 570, 810, 855, 1026, 1539, 1710, 2565, 3078, 5130, 7695, 15390, 128489, 256978, 385467, 642445, 770934, 1156401, 1284890, 1927335, 2312802, 2441291, 3469203, 3854670, 4882582, 5782005, 6938406, 7323873, 10407609, 11564010, 12206455, 14647746, 17346015, 20815218, 21971619, 24412910, 34692030, 36619365, 43943238, 52038045, 65914857, 73238730, 104076090, 109858095, 131829714, 197744571, 219716190, 329574285, 395489142, 659148570, 988722855, 1977445710]

約数ペア:

[(1, 1977445710), (2, 988722855), (3, 659148570), (5, 395489142), (6, 329574285), (9, 219716190), (10, 197744571), (15, 131829714), (18, 109858095), (19, 104076090), (27, 73238730), (30, 65914857), (38, 52038045), (45, 43943238), (54, 36619365), (57, 34692030), (81, 24412910), (90, 21971619), (95, 20815218), (114, 17346015), (135, 14647746), (162, 12206455), (171, 11564010), (190, 10407609), (270, 7323873), (285, 6938406), (342, 5782005), (405, 4882582), (513, 3854670), (570, 3469203), (810, 2441291), (855, 2312802), (1026, 1927335), (1539, 1284890), (1710, 1156401), (2565, 770934), (3078, 642445), (5130, 385467), (7695, 256978), (15390, 128489)]