72047960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1103}}^1$

素因数の和:1208

約数の個数: 64

約数和(自身を含む): 171694080

約数和(自身を除く): 99646120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 71, 92, 115, 142, 184, 230, 284, 355, 460, 568, 710, 920, 1103, 1420, 1633, 2206, 2840, 3266, 4412, 5515, 6532, 8165, 8824, 11030, 13064, 16330, 22060, 25369, 32660, 44120, 50738, 65320, 78313, 101476, 126845, 156626, 202952, 253690, 313252, 391565, 507380, 626504, 783130, 1014760, 1566260, 1801199, 3132520, 3602398, 7204796, 9005995, 14409592, 18011990, 36023980, 72047960]

約数ペア:

[(1, 72047960), (2, 36023980), (4, 18011990), (5, 14409592), (8, 9005995), (10, 7204796), (20, 3602398), (23, 3132520), (40, 1801199), (46, 1566260), (71, 1014760), (92, 783130), (115, 626504), (142, 507380), (184, 391565), (230, 313252), (284, 253690), (355, 202952), (460, 156626), (568, 126845), (710, 101476), (920, 78313), (1103, 65320), (1420, 50738), (1633, 44120), (2206, 32660), (2840, 25369), (3266, 22060), (4412, 16330), (5515, 13064), (6532, 11030), (8165, 8824)]