159405720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{587}}^1$

素因数の和:705

約数の個数: 128

約数和(自身を含む): 501258240

約数和(自身を除く): 341852520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 73, 93, 120, 124, 146, 155, 186, 219, 248, 292, 310, 365, 372, 438, 465, 584, 587, 620, 730, 744, 876, 930, 1095, 1174, 1240, 1460, 1752, 1761, 1860, 2190, 2263, 2348, 2920, 2935, 3522, 3720, 4380, 4526, 4696, 5870, 6789, 7044, 8760, 8805, 9052, 11315, 11740, 13578, 14088, 17610, 18104, 18197, 22630, 23480, 27156, 33945, 35220, 36394, 42851, 45260, 54312, 54591, 67890, 70440, 72788, 85702, 90520, 90985, 109182, 128553, 135780, 145576, 171404, 181970, 214255, 218364, 257106, 271560, 272955, 342808, 363940, 428510, 436728, 514212, 545910, 642765, 727880, 857020, 1028424, 1091820, 1285530, 1328381, 1714040, 2183640, 2571060, 2656762, 3985143, 5142120, 5313524, 6641905, 7970286, 10627048, 13283810, 15940572, 19925715, 26567620, 31881144, 39851430, 53135240, 79702860, 159405720]

約数ペア:

[(1, 159405720), (2, 79702860), (3, 53135240), (4, 39851430), (5, 31881144), (6, 26567620), (8, 19925715), (10, 15940572), (12, 13283810), (15, 10627048), (20, 7970286), (24, 6641905), (30, 5313524), (31, 5142120), (40, 3985143), (60, 2656762), (62, 2571060), (73, 2183640), (93, 1714040), (120, 1328381), (124, 1285530), (146, 1091820), (155, 1028424), (186, 857020), (219, 727880), (248, 642765), (292, 545910), (310, 514212), (365, 436728), (372, 428510), (438, 363940), (465, 342808), (584, 272955), (587, 271560), (620, 257106), (730, 218364), (744, 214255), (876, 181970), (930, 171404), (1095, 145576), (1174, 135780), (1240, 128553), (1460, 109182), (1752, 90985), (1761, 90520), (1860, 85702), (2190, 72788), (2263, 70440), (2348, 67890), (2920, 54591), (2935, 54312), (3522, 45260), (3720, 42851), (4380, 36394), (4526, 35220), (4696, 33945), (5870, 27156), (6789, 23480), (7044, 22630), (8760, 18197), (8805, 18104), (9052, 17610), (11315, 14088), (11740, 13578)]