31328910

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:263

約数の個数: 128

約数和(自身を含む): 91238400

約数和(自身を除く): 59909490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 31, 38, 45, 54, 57, 62, 90, 93, 95, 114, 135, 155, 171, 186, 190, 197, 270, 279, 285, 310, 342, 394, 465, 513, 558, 570, 589, 591, 837, 855, 930, 985, 1026, 1178, 1182, 1395, 1674, 1710, 1767, 1773, 1970, 2565, 2790, 2945, 2955, 3534, 3546, 3743, 4185, 5130, 5301, 5319, 5890, 5910, 6107, 7486, 8370, 8835, 8865, 10602, 10638, 11229, 12214, 15903, 17670, 17730, 18321, 18715, 22458, 26505, 26595, 30535, 31806, 33687, 36642, 37430, 53010, 53190, 54963, 56145, 61070, 67374, 79515, 91605, 101061, 109926, 112290, 116033, 159030, 164889, 168435, 183210, 202122, 232066, 274815, 329778, 336870, 348099, 505305, 549630, 580165, 696198, 824445, 1010610, 1044297, 1160330, 1648890, 1740495, 2088594, 3132891, 3480990, 5221485, 6265782, 10442970, 15664455, 31328910]

約数ペア:

[(1, 31328910), (2, 15664455), (3, 10442970), (5, 6265782), (6, 5221485), (9, 3480990), (10, 3132891), (15, 2088594), (18, 1740495), (19, 1648890), (27, 1160330), (30, 1044297), (31, 1010610), (38, 824445), (45, 696198), (54, 580165), (57, 549630), (62, 505305), (90, 348099), (93, 336870), (95, 329778), (114, 274815), (135, 232066), (155, 202122), (171, 183210), (186, 168435), (190, 164889), (197, 159030), (270, 116033), (279, 112290), (285, 109926), (310, 101061), (342, 91605), (394, 79515), (465, 67374), (513, 61070), (558, 56145), (570, 54963), (589, 53190), (591, 53010), (837, 37430), (855, 36642), (930, 33687), (985, 31806), (1026, 30535), (1178, 26595), (1182, 26505), (1395, 22458), (1674, 18715), (1710, 18321), (1767, 17730), (1773, 17670), (1970, 15903), (2565, 12214), (2790, 11229), (2945, 10638), (2955, 10602), (3534, 8865), (3546, 8835), (3743, 8370), (4185, 7486), (5130, 6107), (5301, 5910), (5319, 5890)]