991380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:97

約数の個数: 96

約数和(自身を含む): 3161088

約数和(自身を除く): 2169708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 41, 52, 60, 62, 65, 78, 82, 93, 123, 124, 130, 155, 156, 164, 186, 195, 205, 246, 260, 310, 372, 390, 403, 410, 465, 492, 533, 615, 620, 780, 806, 820, 930, 1066, 1209, 1230, 1271, 1599, 1612, 1860, 2015, 2132, 2418, 2460, 2542, 2665, 3198, 3813, 4030, 4836, 5084, 5330, 6045, 6355, 6396, 7626, 7995, 8060, 10660, 12090, 12710, 15252, 15990, 16523, 19065, 24180, 25420, 31980, 33046, 38130, 49569, 66092, 76260, 82615, 99138, 165230, 198276, 247845, 330460, 495690, 991380]

約数ペア:

[(1, 991380), (2, 495690), (3, 330460), (4, 247845), (5, 198276), (6, 165230), (10, 99138), (12, 82615), (13, 76260), (15, 66092), (20, 49569), (26, 38130), (30, 33046), (31, 31980), (39, 25420), (41, 24180), (52, 19065), (60, 16523), (62, 15990), (65, 15252), (78, 12710), (82, 12090), (93, 10660), (123, 8060), (124, 7995), (130, 7626), (155, 6396), (156, 6355), (164, 6045), (186, 5330), (195, 5084), (205, 4836), (246, 4030), (260, 3813), (310, 3198), (372, 2665), (390, 2542), (403, 2460), (410, 2418), (465, 2132), (492, 2015), (533, 1860), (615, 1612), (620, 1599), (780, 1271), (806, 1230), (820, 1209), (930, 1066)]