19660320

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:105

約数の個数: 240

約数和(自身を含む): 72997848

約数和(自身を除く): 53337528

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 37, 40, 41, 45, 48, 54, 60, 72, 74, 80, 81, 82, 90, 96, 108, 111, 120, 123, 135, 144, 148, 160, 162, 164, 180, 185, 205, 216, 222, 240, 246, 270, 288, 296, 324, 328, 333, 360, 369, 370, 405, 410, 432, 444, 480, 492, 540, 555, 592, 615, 648, 656, 666, 720, 738, 740, 810, 820, 864, 888, 984, 999, 1080, 1107, 1110, 1184, 1230, 1296, 1312, 1332, 1440, 1476, 1480, 1517, 1620, 1640, 1665, 1776, 1845, 1968, 1998, 2160, 2214, 2220, 2460, 2592, 2664, 2952, 2960, 2997, 3034, 3240, 3280, 3321, 3330, 3552, 3690, 3936, 3996, 4320, 4428, 4440, 4551, 4920, 4995, 5328, 5535, 5904, 5920, 5994, 6068, 6480, 6560, 6642, 6660, 7380, 7585, 7992, 8856, 8880, 9102, 9840, 9990, 10656, 11070, 11808, 11988, 12136, 12960, 13284, 13320, 13653, 14760, 14985, 15170, 15984, 16605, 17712, 17760, 18204, 19680, 19980, 22140, 22755, 23976, 24272, 26568, 26640, 27306, 29520, 29970, 30340, 31968, 33210, 35424, 36408, 39960, 40959, 44280, 45510, 47952, 48544, 53136, 53280, 54612, 59040, 59940, 60680, 66420, 68265, 72816, 79920, 81918, 88560, 91020, 95904, 106272, 109224, 119880, 121360, 122877, 132840, 136530, 145632, 159840, 163836, 177120, 182040, 204795, 218448, 239760, 242720, 245754, 265680, 273060, 327672, 364080, 409590, 436896, 479520, 491508, 531360, 546120, 614385, 655344, 728160, 819180, 983016, 1092240, 1228770, 1310688, 1638360, 1966032, 2184480, 2457540, 3276720, 3932064, 4915080, 6553440, 9830160, 19660320]

約数ペア:

[(1, 19660320), (2, 9830160), (3, 6553440), (4, 4915080), (5, 3932064), (6, 3276720), (8, 2457540), (9, 2184480), (10, 1966032), (12, 1638360), (15, 1310688), (16, 1228770), (18, 1092240), (20, 983016), (24, 819180), (27, 728160), (30, 655344), (32, 614385), (36, 546120), (37, 531360), (40, 491508), (41, 479520), (45, 436896), (48, 409590), (54, 364080), (60, 327672), (72, 273060), (74, 265680), (80, 245754), (81, 242720), (82, 239760), (90, 218448), (96, 204795), (108, 182040), (111, 177120), (120, 163836), (123, 159840), (135, 145632), (144, 136530), (148, 132840), (160, 122877), (162, 121360), (164, 119880), (180, 109224), (185, 106272), (205, 95904), (216, 91020), (222, 88560), (240, 81918), (246, 79920), (270, 72816), (288, 68265), (296, 66420), (324, 60680), (328, 59940), (333, 59040), (360, 54612), (369, 53280), (370, 53136), (405, 48544), (410, 47952), (432, 45510), (444, 44280), (480, 40959), (492, 39960), (540, 36408), (555, 35424), (592, 33210), (615, 31968), (648, 30340), (656, 29970), (666, 29520), (720, 27306), (738, 26640), (740, 26568), (810, 24272), (820, 23976), (864, 22755), (888, 22140), (984, 19980), (999, 19680), (1080, 18204), (1107, 17760), (1110, 17712), (1184, 16605), (1230, 15984), (1296, 15170), (1312, 14985), (1332, 14760), (1440, 13653), (1476, 13320), (1480, 13284), (1517, 12960), (1620, 12136), (1640, 11988), (1665, 11808), (1776, 11070), (1845, 10656), (1968, 9990), (1998, 9840), (2160, 9102), (2214, 8880), (2220, 8856), (2460, 7992), (2592, 7585), (2664, 7380), (2952, 6660), (2960, 6642), (2997, 6560), (3034, 6480), (3240, 6068), (3280, 5994), (3321, 5920), (3330, 5904), (3552, 5535), (3690, 5328), (3936, 4995), (3996, 4920), (4320, 4551), (4428, 4440)]