128491380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:223

約数の個数: 192

約数和(自身を含む): 421344000

約数和(自身を除く): 292852620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 59, 60, 74, 90, 108, 109, 111, 118, 135, 148, 177, 180, 185, 218, 222, 236, 270, 295, 327, 333, 354, 370, 436, 444, 531, 540, 545, 555, 590, 654, 666, 708, 740, 885, 981, 999, 1062, 1090, 1110, 1180, 1308, 1332, 1593, 1635, 1665, 1770, 1962, 1998, 2124, 2180, 2183, 2220, 2655, 2943, 3186, 3270, 3330, 3540, 3924, 3996, 4033, 4366, 4905, 4995, 5310, 5886, 6372, 6431, 6540, 6549, 6660, 7965, 8066, 8732, 9810, 9990, 10620, 10915, 11772, 12099, 12862, 13098, 14715, 15930, 16132, 19293, 19620, 19647, 19980, 20165, 21830, 24198, 25724, 26196, 29430, 31860, 32155, 32745, 36297, 38586, 39294, 40330, 43660, 48396, 57879, 58860, 58941, 60495, 64310, 65490, 72594, 77172, 78588, 80660, 96465, 98235, 108891, 115758, 117882, 120990, 128620, 130980, 145188, 173637, 181485, 192930, 196470, 217782, 231516, 235764, 237947, 241980, 289395, 294705, 347274, 362970, 385860, 392940, 435564, 475894, 544455, 578790, 589410, 694548, 713841, 725940, 868185, 951788, 1088910, 1157580, 1178820, 1189735, 1427682, 1736370, 2141523, 2177820, 2379470, 2855364, 3472740, 3569205, 4283046, 4758940, 6424569, 7138410, 8566092, 10707615, 12849138, 14276820, 21415230, 25698276, 32122845, 42830460, 64245690, 128491380]

約数ペア:

[(1, 128491380), (2, 64245690), (3, 42830460), (4, 32122845), (5, 25698276), (6, 21415230), (9, 14276820), (10, 12849138), (12, 10707615), (15, 8566092), (18, 7138410), (20, 6424569), (27, 4758940), (30, 4283046), (36, 3569205), (37, 3472740), (45, 2855364), (54, 2379470), (59, 2177820), (60, 2141523), (74, 1736370), (90, 1427682), (108, 1189735), (109, 1178820), (111, 1157580), (118, 1088910), (135, 951788), (148, 868185), (177, 725940), (180, 713841), (185, 694548), (218, 589410), (222, 578790), (236, 544455), (270, 475894), (295, 435564), (327, 392940), (333, 385860), (354, 362970), (370, 347274), (436, 294705), (444, 289395), (531, 241980), (540, 237947), (545, 235764), (555, 231516), (590, 217782), (654, 196470), (666, 192930), (708, 181485), (740, 173637), (885, 145188), (981, 130980), (999, 128620), (1062, 120990), (1090, 117882), (1110, 115758), (1180, 108891), (1308, 98235), (1332, 96465), (1593, 80660), (1635, 78588), (1665, 77172), (1770, 72594), (1962, 65490), (1998, 64310), (2124, 60495), (2180, 58941), (2183, 58860), (2220, 57879), (2655, 48396), (2943, 43660), (3186, 40330), (3270, 39294), (3330, 38586), (3540, 36297), (3924, 32745), (3996, 32155), (4033, 31860), (4366, 29430), (4905, 26196), (4995, 25724), (5310, 24198), (5886, 21830), (6372, 20165), (6431, 19980), (6540, 19647), (6549, 19620), (6660, 19293), (7965, 16132), (8066, 15930), (8732, 14715), (9810, 13098), (9990, 12862), (10620, 12099), (10915, 11772)]