136885160

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{307}}^1$

素因数の和:546

約数の個数: 64

約数和(自身を含む): 315342720

約数和(自身を除く): 178457560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 157, 284, 307, 314, 355, 568, 614, 628, 710, 785, 1228, 1256, 1420, 1535, 1570, 2456, 2840, 3070, 3140, 6140, 6280, 11147, 12280, 21797, 22294, 43594, 44588, 48199, 55735, 87188, 89176, 96398, 108985, 111470, 174376, 192796, 217970, 222940, 240995, 385592, 435940, 445880, 481990, 871880, 963980, 1927960, 3422129, 6844258, 13688516, 17110645, 27377032, 34221290, 68442580, 136885160]

約数ペア:

[(1, 136885160), (2, 68442580), (4, 34221290), (5, 27377032), (8, 17110645), (10, 13688516), (20, 6844258), (40, 3422129), (71, 1927960), (142, 963980), (157, 871880), (284, 481990), (307, 445880), (314, 435940), (355, 385592), (568, 240995), (614, 222940), (628, 217970), (710, 192796), (785, 174376), (1228, 111470), (1256, 108985), (1420, 96398), (1535, 89176), (1570, 87188), (2456, 55735), (2840, 48199), (3070, 44588), (3140, 43594), (6140, 22294), (6280, 21797), (11147, 12280)]