657260760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{13591}}^1$

素因数の和:13649

約数の個数: 128

約数和(自身を含む): 2192117760

約数和(自身を除く): 1534857000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 390, 403, 465, 520, 620, 744, 780, 806, 930, 1209, 1240, 1560, 1612, 1860, 2015, 2418, 3224, 3720, 4030, 4836, 6045, 8060, 9672, 12090, 13591, 16120, 24180, 27182, 40773, 48360, 54364, 67955, 81546, 108728, 135910, 163092, 176683, 203865, 271820, 326184, 353366, 407730, 421321, 530049, 543640, 706732, 815460, 842642, 883415, 1060098, 1263963, 1413464, 1630920, 1685284, 1766830, 2106605, 2120196, 2527926, 2650245, 3370568, 3533660, 4213210, 4240392, 5055852, 5300490, 5477173, 6319815, 7067320, 8426420, 10111704, 10600980, 10954346, 12639630, 16431519, 16852840, 21201960, 21908692, 25279260, 27385865, 32863038, 43817384, 50558520, 54771730, 65726076, 82157595, 109543460, 131452152, 164315190, 219086920, 328630380, 657260760]

約数ペア:

[(1, 657260760), (2, 328630380), (3, 219086920), (4, 164315190), (5, 131452152), (6, 109543460), (8, 82157595), (10, 65726076), (12, 54771730), (13, 50558520), (15, 43817384), (20, 32863038), (24, 27385865), (26, 25279260), (30, 21908692), (31, 21201960), (39, 16852840), (40, 16431519), (52, 12639630), (60, 10954346), (62, 10600980), (65, 10111704), (78, 8426420), (93, 7067320), (104, 6319815), (120, 5477173), (124, 5300490), (130, 5055852), (155, 4240392), (156, 4213210), (186, 3533660), (195, 3370568), (248, 2650245), (260, 2527926), (310, 2120196), (312, 2106605), (372, 1766830), (390, 1685284), (403, 1630920), (465, 1413464), (520, 1263963), (620, 1060098), (744, 883415), (780, 842642), (806, 815460), (930, 706732), (1209, 543640), (1240, 530049), (1560, 421321), (1612, 407730), (1860, 353366), (2015, 326184), (2418, 271820), (3224, 203865), (3720, 176683), (4030, 163092), (4836, 135910), (6045, 108728), (8060, 81546), (9672, 67955), (12090, 54364), (13591, 48360), (16120, 40773), (24180, 27182)]