128944260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1019}}^1$

素因数の和:1090

約数の個数: 144

約数和(自身を含む): 423259200

約数和(自身を除く): 294314940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 37, 38, 45, 57, 60, 74, 76, 90, 95, 111, 114, 148, 171, 180, 185, 190, 222, 228, 285, 333, 342, 370, 380, 444, 555, 570, 666, 684, 703, 740, 855, 1019, 1110, 1140, 1332, 1406, 1665, 1710, 2038, 2109, 2220, 2812, 3057, 3330, 3420, 3515, 4076, 4218, 5095, 6114, 6327, 6660, 7030, 8436, 9171, 10190, 10545, 12228, 12654, 14060, 15285, 18342, 19361, 20380, 21090, 25308, 30570, 31635, 36684, 37703, 38722, 42180, 45855, 58083, 61140, 63270, 75406, 77444, 91710, 96805, 113109, 116166, 126540, 150812, 174249, 183420, 188515, 193610, 226218, 232332, 290415, 339327, 348498, 377030, 387220, 452436, 565545, 580830, 678654, 696996, 716357, 754060, 871245, 1131090, 1161660, 1357308, 1432714, 1696635, 1742490, 2149071, 2262180, 2865428, 3393270, 3484980, 3581785, 4298142, 6447213, 6786540, 7163570, 8596284, 10745355, 12894426, 14327140, 21490710, 25788852, 32236065, 42981420, 64472130, 128944260]

約数ペア:

[(1, 128944260), (2, 64472130), (3, 42981420), (4, 32236065), (5, 25788852), (6, 21490710), (9, 14327140), (10, 12894426), (12, 10745355), (15, 8596284), (18, 7163570), (19, 6786540), (20, 6447213), (30, 4298142), (36, 3581785), (37, 3484980), (38, 3393270), (45, 2865428), (57, 2262180), (60, 2149071), (74, 1742490), (76, 1696635), (90, 1432714), (95, 1357308), (111, 1161660), (114, 1131090), (148, 871245), (171, 754060), (180, 716357), (185, 696996), (190, 678654), (222, 580830), (228, 565545), (285, 452436), (333, 387220), (342, 377030), (370, 348498), (380, 339327), (444, 290415), (555, 232332), (570, 226218), (666, 193610), (684, 188515), (703, 183420), (740, 174249), (855, 150812), (1019, 126540), (1110, 116166), (1140, 113109), (1332, 96805), (1406, 91710), (1665, 77444), (1710, 75406), (2038, 63270), (2109, 61140), (2220, 58083), (2812, 45855), (3057, 42180), (3330, 38722), (3420, 37703), (3515, 36684), (4076, 31635), (4218, 30570), (5095, 25308), (6114, 21090), (6327, 20380), (6660, 19361), (7030, 18342), (8436, 15285), (9171, 14060), (10190, 12654), (10545, 12228)]