983320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:116

約数の個数: 64

約数和(自身を含む): 2499840

約数和(自身を除く): 1516520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 61, 62, 65, 104, 122, 124, 130, 155, 244, 248, 260, 305, 310, 403, 488, 520, 610, 620, 793, 806, 1220, 1240, 1586, 1612, 1891, 2015, 2440, 3172, 3224, 3782, 3965, 4030, 6344, 7564, 7930, 8060, 9455, 15128, 15860, 16120, 18910, 24583, 31720, 37820, 49166, 75640, 98332, 122915, 196664, 245830, 491660, 983320]

約数ペア:

[(1, 983320), (2, 491660), (4, 245830), (5, 196664), (8, 122915), (10, 98332), (13, 75640), (20, 49166), (26, 37820), (31, 31720), (40, 24583), (52, 18910), (61, 16120), (62, 15860), (65, 15128), (104, 9455), (122, 8060), (124, 7930), (130, 7564), (155, 6344), (244, 4030), (248, 3965), (260, 3782), (305, 3224), (310, 3172), (403, 2440), (488, 2015), (520, 1891), (610, 1612), (620, 1586), (793, 1240), (806, 1220)]