67511560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{421}}^1$

素因数の和:662

約数の個数: 64

約数和(自身を含む): 161035200

約数和(自身を除く): 93523640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 211, 380, 421, 422, 760, 842, 844, 1055, 1684, 1688, 2105, 2110, 3368, 4009, 4210, 4220, 7999, 8018, 8420, 8440, 15998, 16036, 16840, 20045, 31996, 32072, 39995, 40090, 63992, 79990, 80180, 88831, 159980, 160360, 177662, 319960, 355324, 444155, 710648, 888310, 1687789, 1776620, 3375578, 3553240, 6751156, 8438945, 13502312, 16877890, 33755780, 67511560]

約数ペア:

[(1, 67511560), (2, 33755780), (4, 16877890), (5, 13502312), (8, 8438945), (10, 6751156), (19, 3553240), (20, 3375578), (38, 1776620), (40, 1687789), (76, 888310), (95, 710648), (152, 444155), (190, 355324), (211, 319960), (380, 177662), (421, 160360), (422, 159980), (760, 88831), (842, 80180), (844, 79990), (1055, 63992), (1684, 40090), (1688, 39995), (2105, 32072), (2110, 31996), (3368, 20045), (4009, 16840), (4210, 16036), (4220, 15998), (7999, 8440), (8018, 8420)]