172161960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1439}}^1$

素因数の和:2450

約数の個数: 64

約数和(自身を含む): 517363200

約数和(自身を除く): 345201240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 997, 1439, 1994, 2878, 2991, 3988, 4317, 4985, 5756, 5982, 7195, 7976, 8634, 9970, 11512, 11964, 14390, 14955, 17268, 19940, 21585, 23928, 28780, 29910, 34536, 39880, 43170, 57560, 59820, 86340, 119640, 172680, 1434683, 2869366, 4304049, 5738732, 7173415, 8608098, 11477464, 14346830, 17216196, 21520245, 28693660, 34432392, 43040490, 57387320, 86080980, 172161960]

約数ペア:

[(1, 172161960), (2, 86080980), (3, 57387320), (4, 43040490), (5, 34432392), (6, 28693660), (8, 21520245), (10, 17216196), (12, 14346830), (15, 11477464), (20, 8608098), (24, 7173415), (30, 5738732), (40, 4304049), (60, 2869366), (120, 1434683), (997, 172680), (1439, 119640), (1994, 86340), (2878, 59820), (2991, 57560), (3988, 43170), (4317, 39880), (4985, 34536), (5756, 29910), (5982, 28780), (7195, 23928), (7976, 21585), (8634, 19940), (9970, 17268), (11512, 14955), (11964, 14390)]