128651220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:239

約数の個数: 192

約数和(自身を含む): 422876160

約数和(自身を除く): 294224940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 47, 54, 60, 74, 90, 94, 108, 111, 135, 137, 141, 148, 180, 185, 188, 222, 235, 270, 274, 282, 333, 370, 411, 423, 444, 470, 540, 548, 555, 564, 666, 685, 705, 740, 822, 846, 940, 999, 1110, 1233, 1269, 1332, 1370, 1410, 1644, 1665, 1692, 1739, 1998, 2055, 2115, 2220, 2466, 2538, 2740, 2820, 3330, 3478, 3699, 3996, 4110, 4230, 4932, 4995, 5069, 5076, 5217, 6165, 6345, 6439, 6660, 6956, 7398, 8220, 8460, 8695, 9990, 10138, 10434, 12330, 12690, 12878, 14796, 15207, 15651, 17390, 18495, 19317, 19980, 20276, 20868, 24660, 25345, 25380, 25756, 26085, 30414, 31302, 32195, 34780, 36990, 38634, 45621, 46953, 50690, 52170, 57951, 60828, 62604, 64390, 73980, 76035, 77268, 78255, 91242, 93906, 96585, 101380, 104340, 115902, 128780, 136863, 152070, 156510, 173853, 182484, 187812, 193170, 228105, 231804, 234765, 238243, 273726, 289755, 304140, 313020, 347706, 386340, 456210, 469530, 476486, 547452, 579510, 684315, 695412, 714729, 869265, 912420, 939060, 952972, 1159020, 1191215, 1368630, 1429458, 1738530, 2144187, 2382430, 2737260, 2858916, 3477060, 3573645, 4288374, 4764860, 6432561, 7147290, 8576748, 10720935, 12865122, 14294580, 21441870, 25730244, 32162805, 42883740, 64325610, 128651220]

約数ペア:

[(1, 128651220), (2, 64325610), (3, 42883740), (4, 32162805), (5, 25730244), (6, 21441870), (9, 14294580), (10, 12865122), (12, 10720935), (15, 8576748), (18, 7147290), (20, 6432561), (27, 4764860), (30, 4288374), (36, 3573645), (37, 3477060), (45, 2858916), (47, 2737260), (54, 2382430), (60, 2144187), (74, 1738530), (90, 1429458), (94, 1368630), (108, 1191215), (111, 1159020), (135, 952972), (137, 939060), (141, 912420), (148, 869265), (180, 714729), (185, 695412), (188, 684315), (222, 579510), (235, 547452), (270, 476486), (274, 469530), (282, 456210), (333, 386340), (370, 347706), (411, 313020), (423, 304140), (444, 289755), (470, 273726), (540, 238243), (548, 234765), (555, 231804), (564, 228105), (666, 193170), (685, 187812), (705, 182484), (740, 173853), (822, 156510), (846, 152070), (940, 136863), (999, 128780), (1110, 115902), (1233, 104340), (1269, 101380), (1332, 96585), (1370, 93906), (1410, 91242), (1644, 78255), (1665, 77268), (1692, 76035), (1739, 73980), (1998, 64390), (2055, 62604), (2115, 60828), (2220, 57951), (2466, 52170), (2538, 50690), (2740, 46953), (2820, 45621), (3330, 38634), (3478, 36990), (3699, 34780), (3996, 32195), (4110, 31302), (4230, 30414), (4932, 26085), (4995, 25756), (5069, 25380), (5076, 25345), (5217, 24660), (6165, 20868), (6345, 20276), (6439, 19980), (6660, 19317), (6956, 18495), (7398, 17390), (8220, 15651), (8460, 15207), (8695, 14796), (9990, 12878), (10138, 12690), (10434, 12330)]