639267120

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9547}}^1$

素因数の和:9600

約数の個数: 160

約数和(自身を含む): 2273187840

約数和(自身を除く): 1633920720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 36, 40, 45, 48, 54, 60, 62, 72, 80, 90, 93, 108, 120, 124, 135, 144, 155, 180, 186, 216, 240, 248, 270, 279, 310, 360, 372, 432, 465, 496, 540, 558, 620, 720, 744, 837, 930, 1080, 1116, 1240, 1395, 1488, 1674, 1860, 2160, 2232, 2480, 2790, 3348, 3720, 4185, 4464, 5580, 6696, 7440, 8370, 9547, 11160, 13392, 16740, 19094, 22320, 28641, 33480, 38188, 47735, 57282, 66960, 76376, 85923, 95470, 114564, 143205, 152752, 171846, 190940, 229128, 257769, 286410, 295957, 343692, 381880, 429615, 458256, 515538, 572820, 591914, 687384, 763760, 859230, 887871, 1031076, 1145640, 1183828, 1288845, 1374768, 1479785, 1718460, 1775742, 2062152, 2291280, 2367656, 2577690, 2663613, 2959570, 3436920, 3551484, 4124304, 4439355, 4735312, 5155380, 5327226, 5919140, 6873840, 7102968, 7990839, 8878710, 10310760, 10654452, 11838280, 13318065, 14205936, 15981678, 17757420, 20621520, 21308904, 23676560, 26636130, 31963356, 35514840, 39954195, 42617808, 53272260, 63926712, 71029680, 79908390, 106544520, 127853424, 159816780, 213089040, 319633560, 639267120]

約数ペア:

[(1, 639267120), (2, 319633560), (3, 213089040), (4, 159816780), (5, 127853424), (6, 106544520), (8, 79908390), (9, 71029680), (10, 63926712), (12, 53272260), (15, 42617808), (16, 39954195), (18, 35514840), (20, 31963356), (24, 26636130), (27, 23676560), (30, 21308904), (31, 20621520), (36, 17757420), (40, 15981678), (45, 14205936), (48, 13318065), (54, 11838280), (60, 10654452), (62, 10310760), (72, 8878710), (80, 7990839), (90, 7102968), (93, 6873840), (108, 5919140), (120, 5327226), (124, 5155380), (135, 4735312), (144, 4439355), (155, 4124304), (180, 3551484), (186, 3436920), (216, 2959570), (240, 2663613), (248, 2577690), (270, 2367656), (279, 2291280), (310, 2062152), (360, 1775742), (372, 1718460), (432, 1479785), (465, 1374768), (496, 1288845), (540, 1183828), (558, 1145640), (620, 1031076), (720, 887871), (744, 859230), (837, 763760), (930, 687384), (1080, 591914), (1116, 572820), (1240, 515538), (1395, 458256), (1488, 429615), (1674, 381880), (1860, 343692), (2160, 295957), (2232, 286410), (2480, 257769), (2790, 229128), (3348, 190940), (3720, 171846), (4185, 152752), (4464, 143205), (5580, 114564), (6696, 95470), (7440, 85923), (8370, 76376), (9547, 66960), (11160, 57282), (13392, 47735), (16740, 38188), (19094, 33480), (22320, 28641)]