1240809960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{1237}}^1$

素因数の和:1907

約数の個数: 128

約数和(自身を含む): 4018250880

約数和(自身を除く): 2777440920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 643, 780, 1237, 1286, 1560, 1929, 2474, 2572, 3215, 3711, 3858, 4948, 5144, 6185, 6430, 7422, 7716, 8359, 9645, 9896, 12370, 12860, 14844, 15432, 16081, 16718, 18555, 19290, 24740, 25077, 25720, 29688, 32162, 33436, 37110, 38580, 41795, 48243, 49480, 50154, 64324, 66872, 74220, 77160, 80405, 83590, 96486, 100308, 125385, 128648, 148440, 160810, 167180, 192972, 200616, 241215, 250770, 321620, 334360, 385944, 482430, 501540, 643240, 795391, 964860, 1003080, 1590782, 1929720, 2386173, 3181564, 3976955, 4772346, 6363128, 7953910, 9544692, 10340083, 11930865, 15907820, 19089384, 20680166, 23861730, 31020249, 31815640, 41360332, 47723460, 51700415, 62040498, 82720664, 95446920, 103400830, 124080996, 155101245, 206801660, 248161992, 310202490, 413603320, 620404980, 1240809960]

約数ペア:

[(1, 1240809960), (2, 620404980), (3, 413603320), (4, 310202490), (5, 248161992), (6, 206801660), (8, 155101245), (10, 124080996), (12, 103400830), (13, 95446920), (15, 82720664), (20, 62040498), (24, 51700415), (26, 47723460), (30, 41360332), (39, 31815640), (40, 31020249), (52, 23861730), (60, 20680166), (65, 19089384), (78, 15907820), (104, 11930865), (120, 10340083), (130, 9544692), (156, 7953910), (195, 6363128), (260, 4772346), (312, 3976955), (390, 3181564), (520, 2386173), (643, 1929720), (780, 1590782), (1237, 1003080), (1286, 964860), (1560, 795391), (1929, 643240), (2474, 501540), (2572, 482430), (3215, 385944), (3711, 334360), (3858, 321620), (4948, 250770), (5144, 241215), (6185, 200616), (6430, 192972), (7422, 167180), (7716, 160810), (8359, 148440), (9645, 128648), (9896, 125385), (12370, 100308), (12860, 96486), (14844, 83590), (15432, 80405), (16081, 77160), (16718, 74220), (18555, 66872), (19290, 64324), (24740, 50154), (25077, 49480), (25720, 48243), (29688, 41795), (32162, 38580), (33436, 37110)]