87768690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{971}}^1$

素因数の和:1135

約数の個数: 64

約数和(自身を含む): 221709312

約数和(自身を除く): 133940622

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 131, 138, 230, 262, 345, 393, 655, 690, 786, 971, 1310, 1942, 1965, 2913, 3013, 3930, 4855, 5826, 6026, 9039, 9710, 14565, 15065, 18078, 22333, 29130, 30130, 44666, 45195, 66999, 90390, 111665, 127201, 133998, 223330, 254402, 334995, 381603, 636005, 669990, 763206, 1272010, 1908015, 2925623, 3816030, 5851246, 8776869, 14628115, 17553738, 29256230, 43884345, 87768690]

約数ペア:

[(1, 87768690), (2, 43884345), (3, 29256230), (5, 17553738), (6, 14628115), (10, 8776869), (15, 5851246), (23, 3816030), (30, 2925623), (46, 1908015), (69, 1272010), (115, 763206), (131, 669990), (138, 636005), (230, 381603), (262, 334995), (345, 254402), (393, 223330), (655, 133998), (690, 127201), (786, 111665), (971, 90390), (1310, 66999), (1942, 45195), (1965, 44666), (2913, 30130), (3013, 29130), (3930, 22333), (4855, 18078), (5826, 15065), (6026, 14565), (9039, 9710)]