17878320

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:145

約数の個数: 200

約数和(自身を含む): 64817280

約数和(自身を除く): 46938960

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, 81, 89, 90, 93, 108, 120, 124, 135, 144, 155, 162, 178, 180, 186, 216, 240, 248, 267, 270, 279, 310, 324, 356, 360, 372, 405, 432, 445, 465, 496, 534, 540, 558, 620, 648, 712, 720, 744, 801, 810, 837, 890, 930, 1068, 1080, 1116, 1240, 1296, 1335, 1395, 1424, 1488, 1602, 1620, 1674, 1780, 1860, 2136, 2160, 2232, 2403, 2480, 2511, 2670, 2759, 2790, 3204, 3240, 3348, 3560, 3720, 4005, 4185, 4272, 4464, 4806, 5022, 5340, 5518, 5580, 6408, 6480, 6696, 7120, 7209, 7440, 8010, 8277, 8370, 9612, 10044, 10680, 11036, 11160, 12015, 12555, 12816, 13392, 13795, 14418, 16020, 16554, 16740, 19224, 20088, 21360, 22072, 22320, 24030, 24831, 25110, 27590, 28836, 32040, 33108, 33480, 36045, 38448, 40176, 41385, 44144, 48060, 49662, 50220, 55180, 57672, 64080, 66216, 66960, 72090, 74493, 82770, 96120, 99324, 100440, 110360, 115344, 124155, 132432, 144180, 148986, 165540, 192240, 198648, 200880, 220720, 223479, 248310, 288360, 297972, 331080, 372465, 397296, 446958, 496620, 576720, 595944, 662160, 744930, 893916, 993240, 1117395, 1191888, 1489860, 1787832, 1986480, 2234790, 2979720, 3575664, 4469580, 5959440, 8939160, 17878320]

約数ペア:

[(1, 17878320), (2, 8939160), (3, 5959440), (4, 4469580), (5, 3575664), (6, 2979720), (8, 2234790), (9, 1986480), (10, 1787832), (12, 1489860), (15, 1191888), (16, 1117395), (18, 993240), (20, 893916), (24, 744930), (27, 662160), (30, 595944), (31, 576720), (36, 496620), (40, 446958), (45, 397296), (48, 372465), (54, 331080), (60, 297972), (62, 288360), (72, 248310), (80, 223479), (81, 220720), (89, 200880), (90, 198648), (93, 192240), (108, 165540), (120, 148986), (124, 144180), (135, 132432), (144, 124155), (155, 115344), (162, 110360), (178, 100440), (180, 99324), (186, 96120), (216, 82770), (240, 74493), (248, 72090), (267, 66960), (270, 66216), (279, 64080), (310, 57672), (324, 55180), (356, 50220), (360, 49662), (372, 48060), (405, 44144), (432, 41385), (445, 40176), (465, 38448), (496, 36045), (534, 33480), (540, 33108), (558, 32040), (620, 28836), (648, 27590), (712, 25110), (720, 24831), (744, 24030), (801, 22320), (810, 22072), (837, 21360), (890, 20088), (930, 19224), (1068, 16740), (1080, 16554), (1116, 16020), (1240, 14418), (1296, 13795), (1335, 13392), (1395, 12816), (1424, 12555), (1488, 12015), (1602, 11160), (1620, 11036), (1674, 10680), (1780, 10044), (1860, 9612), (2136, 8370), (2160, 8277), (2232, 8010), (2403, 7440), (2480, 7209), (2511, 7120), (2670, 6696), (2759, 6480), (2790, 6408), (3204, 5580), (3240, 5518), (3348, 5340), (3560, 5022), (3720, 4806), (4005, 4464), (4185, 4272)]