60128920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1297}}^1$

素因数の和:1388

約数の個数: 64

約数和(自身を含む): 144856800

約数和(自身を除く): 84727880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 61, 76, 95, 122, 152, 190, 244, 305, 380, 488, 610, 760, 1159, 1220, 1297, 2318, 2440, 2594, 4636, 5188, 5795, 6485, 9272, 10376, 11590, 12970, 23180, 24643, 25940, 46360, 49286, 51880, 79117, 98572, 123215, 158234, 197144, 246430, 316468, 395585, 492860, 632936, 791170, 985720, 1503223, 1582340, 3006446, 3164680, 6012892, 7516115, 12025784, 15032230, 30064460, 60128920]

約数ペア:

[(1, 60128920), (2, 30064460), (4, 15032230), (5, 12025784), (8, 7516115), (10, 6012892), (19, 3164680), (20, 3006446), (38, 1582340), (40, 1503223), (61, 985720), (76, 791170), (95, 632936), (122, 492860), (152, 395585), (190, 316468), (244, 246430), (305, 197144), (380, 158234), (488, 123215), (610, 98572), (760, 79117), (1159, 51880), (1220, 49286), (1297, 46360), (2318, 25940), (2440, 24643), (2594, 23180), (4636, 12970), (5188, 11590), (5795, 10376), (6485, 9272)]