971312940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{937}}^1$

素因数の和:1408

約数の個数: 144

約数和(自身を含む): 3183511968

約数和(自身を除く): 2212199028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 443, 468, 585, 780, 886, 937, 1170, 1329, 1772, 1874, 2215, 2340, 2658, 2811, 3748, 3987, 4430, 4685, 5316, 5622, 5759, 6645, 7974, 8433, 8860, 9370, 11244, 11518, 12181, 13290, 14055, 15948, 16866, 17277, 18740, 19935, 23036, 24362, 26580, 28110, 28795, 33732, 34554, 36543, 39870, 42165, 48724, 51831, 56220, 57590, 60905, 69108, 73086, 79740, 84330, 86385, 103662, 109629, 115180, 121810, 146172, 168660, 172770, 182715, 207324, 219258, 243620, 259155, 345540, 365430, 415091, 438516, 518310, 548145, 730860, 830182, 1036620, 1096290, 1245273, 1660364, 2075455, 2192580, 2490546, 3735819, 4150910, 4981092, 5396183, 6226365, 7471638, 8301820, 10792366, 12452730, 14943276, 16188549, 18679095, 21584732, 24905460, 26980915, 32377098, 37358190, 48565647, 53961830, 64754196, 74716380, 80942745, 97131294, 107923660, 161885490, 194262588, 242828235, 323770980, 485656470, 971312940]

約数ペア:

[(1, 971312940), (2, 485656470), (3, 323770980), (4, 242828235), (5, 194262588), (6, 161885490), (9, 107923660), (10, 97131294), (12, 80942745), (13, 74716380), (15, 64754196), (18, 53961830), (20, 48565647), (26, 37358190), (30, 32377098), (36, 26980915), (39, 24905460), (45, 21584732), (52, 18679095), (60, 16188549), (65, 14943276), (78, 12452730), (90, 10792366), (117, 8301820), (130, 7471638), (156, 6226365), (180, 5396183), (195, 4981092), (234, 4150910), (260, 3735819), (390, 2490546), (443, 2192580), (468, 2075455), (585, 1660364), (780, 1245273), (886, 1096290), (937, 1036620), (1170, 830182), (1329, 730860), (1772, 548145), (1874, 518310), (2215, 438516), (2340, 415091), (2658, 365430), (2811, 345540), (3748, 259155), (3987, 243620), (4430, 219258), (4685, 207324), (5316, 182715), (5622, 172770), (5759, 168660), (6645, 146172), (7974, 121810), (8433, 115180), (8860, 109629), (9370, 103662), (11244, 86385), (11518, 84330), (12181, 79740), (13290, 73086), (14055, 69108), (15948, 60905), (16866, 57590), (17277, 56220), (18740, 51831), (19935, 48724), (23036, 42165), (24362, 39870), (26580, 36543), (28110, 34554), (28795, 33732)]