18081960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:267

約数の個数: 128

約数和(自身を含む): 59633280

約数和(自身を除く): 41551320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 67, 78, 104, 120, 130, 134, 156, 173, 195, 201, 260, 268, 312, 335, 346, 390, 402, 519, 520, 536, 670, 692, 780, 804, 865, 871, 1005, 1038, 1340, 1384, 1560, 1608, 1730, 1742, 2010, 2076, 2249, 2595, 2613, 2680, 3460, 3484, 4020, 4152, 4355, 4498, 5190, 5226, 6747, 6920, 6968, 8040, 8710, 8996, 10380, 10452, 11245, 11591, 13065, 13494, 17420, 17992, 20760, 20904, 22490, 23182, 26130, 26988, 33735, 34773, 34840, 44980, 46364, 52260, 53976, 57955, 67470, 69546, 89960, 92728, 104520, 115910, 134940, 139092, 150683, 173865, 231820, 269880, 278184, 301366, 347730, 452049, 463640, 602732, 695460, 753415, 904098, 1205464, 1390920, 1506830, 1808196, 2260245, 3013660, 3616392, 4520490, 6027320, 9040980, 18081960]

約数ペア:

[(1, 18081960), (2, 9040980), (3, 6027320), (4, 4520490), (5, 3616392), (6, 3013660), (8, 2260245), (10, 1808196), (12, 1506830), (13, 1390920), (15, 1205464), (20, 904098), (24, 753415), (26, 695460), (30, 602732), (39, 463640), (40, 452049), (52, 347730), (60, 301366), (65, 278184), (67, 269880), (78, 231820), (104, 173865), (120, 150683), (130, 139092), (134, 134940), (156, 115910), (173, 104520), (195, 92728), (201, 89960), (260, 69546), (268, 67470), (312, 57955), (335, 53976), (346, 52260), (390, 46364), (402, 44980), (519, 34840), (520, 34773), (536, 33735), (670, 26988), (692, 26130), (780, 23182), (804, 22490), (865, 20904), (871, 20760), (1005, 17992), (1038, 17420), (1340, 13494), (1384, 13065), (1560, 11591), (1608, 11245), (1730, 10452), (1742, 10380), (2010, 8996), (2076, 8710), (2249, 8040), (2595, 6968), (2613, 6920), (2680, 6747), (3460, 5226), (3484, 5190), (4020, 4498), (4152, 4355)]