1864980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{797}}^1$

素因数の和:825

約数の個数: 72

約数和(自身を含む): 6099912

約数和(自身を除く): 4234932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 797, 1170, 1594, 2340, 2391, 3188, 3985, 4782, 7173, 7970, 9564, 10361, 11955, 14346, 15940, 20722, 23910, 28692, 31083, 35865, 41444, 47820, 51805, 62166, 71730, 93249, 103610, 124332, 143460, 155415, 186498, 207220, 310830, 372996, 466245, 621660, 932490, 1864980]

約数ペア:

[(1, 1864980), (2, 932490), (3, 621660), (4, 466245), (5, 372996), (6, 310830), (9, 207220), (10, 186498), (12, 155415), (13, 143460), (15, 124332), (18, 103610), (20, 93249), (26, 71730), (30, 62166), (36, 51805), (39, 47820), (45, 41444), (52, 35865), (60, 31083), (65, 28692), (78, 23910), (90, 20722), (117, 15940), (130, 14346), (156, 11955), (180, 10361), (195, 9564), (234, 7970), (260, 7173), (390, 4782), (468, 3985), (585, 3188), (780, 2391), (797, 2340), (1170, 1594)]