64750480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1039}}^1$

素因数の和:1112

約数の個数: 80

約数和(自身を含む): 162489600

約数和(自身を除く): 97739120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 41, 76, 80, 82, 95, 152, 164, 190, 205, 304, 328, 380, 410, 656, 760, 779, 820, 1039, 1520, 1558, 1640, 2078, 3116, 3280, 3895, 4156, 5195, 6232, 7790, 8312, 10390, 12464, 15580, 16624, 19741, 20780, 31160, 39482, 41560, 42599, 62320, 78964, 83120, 85198, 98705, 157928, 170396, 197410, 212995, 315856, 340792, 394820, 425990, 681584, 789640, 809381, 851980, 1579280, 1618762, 1703960, 3237524, 3407920, 4046905, 6475048, 8093810, 12950096, 16187620, 32375240, 64750480]

約数ペア:

[(1, 64750480), (2, 32375240), (4, 16187620), (5, 12950096), (8, 8093810), (10, 6475048), (16, 4046905), (19, 3407920), (20, 3237524), (38, 1703960), (40, 1618762), (41, 1579280), (76, 851980), (80, 809381), (82, 789640), (95, 681584), (152, 425990), (164, 394820), (190, 340792), (205, 315856), (304, 212995), (328, 197410), (380, 170396), (410, 157928), (656, 98705), (760, 85198), (779, 83120), (820, 78964), (1039, 62320), (1520, 42599), (1558, 41560), (1640, 39482), (2078, 31160), (3116, 20780), (3280, 19741), (3895, 16624), (4156, 15580), (5195, 12464), (6232, 10390), (7790, 8312)]