18198720

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:183

約数の個数: 168

約数和(自身を含む): 64190880

約数和(自身を除く): 45992160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 71, 72, 80, 89, 90, 96, 120, 142, 144, 160, 178, 180, 192, 213, 240, 267, 284, 288, 320, 355, 356, 360, 426, 445, 480, 534, 568, 576, 639, 710, 712, 720, 801, 852, 890, 960, 1065, 1068, 1136, 1278, 1335, 1420, 1424, 1440, 1602, 1704, 1780, 2130, 2136, 2272, 2556, 2670, 2840, 2848, 2880, 3195, 3204, 3408, 3560, 4005, 4260, 4272, 4544, 5112, 5340, 5680, 5696, 6319, 6390, 6408, 6816, 7120, 8010, 8520, 8544, 10224, 10680, 11360, 12638, 12780, 12816, 13632, 14240, 16020, 17040, 17088, 18957, 20448, 21360, 22720, 25276, 25560, 25632, 28480, 31595, 32040, 34080, 37914, 40896, 42720, 50552, 51120, 51264, 56871, 63190, 64080, 68160, 75828, 85440, 94785, 101104, 102240, 113742, 126380, 128160, 151656, 189570, 202208, 204480, 227484, 252760, 256320, 284355, 303312, 379140, 404416, 454968, 505520, 568710, 606624, 758280, 909936, 1011040, 1137420, 1213248, 1516560, 1819872, 2022080, 2274840, 3033120, 3639744, 4549680, 6066240, 9099360, 18198720]

約数ペア:

[(1, 18198720), (2, 9099360), (3, 6066240), (4, 4549680), (5, 3639744), (6, 3033120), (8, 2274840), (9, 2022080), (10, 1819872), (12, 1516560), (15, 1213248), (16, 1137420), (18, 1011040), (20, 909936), (24, 758280), (30, 606624), (32, 568710), (36, 505520), (40, 454968), (45, 404416), (48, 379140), (60, 303312), (64, 284355), (71, 256320), (72, 252760), (80, 227484), (89, 204480), (90, 202208), (96, 189570), (120, 151656), (142, 128160), (144, 126380), (160, 113742), (178, 102240), (180, 101104), (192, 94785), (213, 85440), (240, 75828), (267, 68160), (284, 64080), (288, 63190), (320, 56871), (355, 51264), (356, 51120), (360, 50552), (426, 42720), (445, 40896), (480, 37914), (534, 34080), (568, 32040), (576, 31595), (639, 28480), (710, 25632), (712, 25560), (720, 25276), (801, 22720), (852, 21360), (890, 20448), (960, 18957), (1065, 17088), (1068, 17040), (1136, 16020), (1278, 14240), (1335, 13632), (1420, 12816), (1424, 12780), (1440, 12638), (1602, 11360), (1704, 10680), (1780, 10224), (2130, 8544), (2136, 8520), (2272, 8010), (2556, 7120), (2670, 6816), (2840, 6408), (2848, 6390), (2880, 6319), (3195, 5696), (3204, 5680), (3408, 5340), (3560, 5112), (4005, 4544), (4260, 4272)]