64128420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1103}}^1$

素因数の和:1154

約数の個数: 144

約数和(自身を含む): 217002240

約数和(自身を除く): 152873820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 34, 36, 38, 45, 51, 57, 60, 68, 76, 85, 90, 95, 102, 114, 153, 170, 171, 180, 190, 204, 228, 255, 285, 306, 323, 340, 342, 380, 510, 570, 612, 646, 684, 765, 855, 969, 1020, 1103, 1140, 1292, 1530, 1615, 1710, 1938, 2206, 2907, 3060, 3230, 3309, 3420, 3876, 4412, 4845, 5515, 5814, 6460, 6618, 9690, 9927, 11030, 11628, 13236, 14535, 16545, 18751, 19380, 19854, 20957, 22060, 29070, 33090, 37502, 39708, 41914, 49635, 56253, 58140, 62871, 66180, 75004, 83828, 93755, 99270, 104785, 112506, 125742, 168759, 187510, 188613, 198540, 209570, 225012, 251484, 281265, 314355, 337518, 356269, 375020, 377226, 419140, 562530, 628710, 675036, 712538, 754452, 843795, 943065, 1068807, 1125060, 1257420, 1425076, 1687590, 1781345, 1886130, 2137614, 3206421, 3375180, 3562690, 3772260, 4275228, 5344035, 6412842, 7125380, 10688070, 12825684, 16032105, 21376140, 32064210, 64128420]

約数ペア:

[(1, 64128420), (2, 32064210), (3, 21376140), (4, 16032105), (5, 12825684), (6, 10688070), (9, 7125380), (10, 6412842), (12, 5344035), (15, 4275228), (17, 3772260), (18, 3562690), (19, 3375180), (20, 3206421), (30, 2137614), (34, 1886130), (36, 1781345), (38, 1687590), (45, 1425076), (51, 1257420), (57, 1125060), (60, 1068807), (68, 943065), (76, 843795), (85, 754452), (90, 712538), (95, 675036), (102, 628710), (114, 562530), (153, 419140), (170, 377226), (171, 375020), (180, 356269), (190, 337518), (204, 314355), (228, 281265), (255, 251484), (285, 225012), (306, 209570), (323, 198540), (340, 188613), (342, 187510), (380, 168759), (510, 125742), (570, 112506), (612, 104785), (646, 99270), (684, 93755), (765, 83828), (855, 75004), (969, 66180), (1020, 62871), (1103, 58140), (1140, 56253), (1292, 49635), (1530, 41914), (1615, 39708), (1710, 37502), (1938, 33090), (2206, 29070), (2907, 22060), (3060, 20957), (3230, 19854), (3309, 19380), (3420, 18751), (3876, 16545), (4412, 14535), (4845, 13236), (5515, 11628), (5814, 11030), (6460, 9927), (6618, 9690)]