168000000040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1\times {\mathrm{383807}}^1$

素因数の和:384202

約数の個数: 64

約数和(自身を含む): 391299932160

約数和(自身を除く): 223299932120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 353, 620, 706, 1240, 1412, 1765, 2824, 3530, 7060, 10943, 14120, 21886, 43772, 54715, 87544, 109430, 218860, 383807, 437720, 767614, 1535228, 1919035, 3070456, 3838070, 7676140, 11898017, 15352280, 23796034, 47592068, 59490085, 95184136, 118980170, 135483871, 237960340, 270967742, 475920680, 541935484, 677419355, 1083870968, 1354838710, 2709677420, 4200000001, 5419354840, 8400000002, 16800000004, 21000000005, 33600000008, 42000000010, 84000000020, 168000000040]

約数ペア:

[(1, 168000000040), (2, 84000000020), (4, 42000000010), (5, 33600000008), (8, 21000000005), (10, 16800000004), (20, 8400000002), (31, 5419354840), (40, 4200000001), (62, 2709677420), (124, 1354838710), (155, 1083870968), (248, 677419355), (310, 541935484), (353, 475920680), (620, 270967742), (706, 237960340), (1240, 135483871), (1412, 118980170), (1765, 95184136), (2824, 59490085), (3530, 47592068), (7060, 23796034), (10943, 15352280), (14120, 11898017), (21886, 7676140), (43772, 3838070), (54715, 3070456), (87544, 1919035), (109430, 1535228), (218860, 767614), (383807, 437720)]