18863280

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:137

約数の個数: 200

約数和(自身を含む): 68058144

約数和(自身を除く): 49194864

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 41, 45, 48, 54, 60, 71, 72, 80, 81, 82, 90, 108, 120, 123, 135, 142, 144, 162, 164, 180, 205, 213, 216, 240, 246, 270, 284, 324, 328, 355, 360, 369, 405, 410, 426, 432, 492, 540, 568, 615, 639, 648, 656, 710, 720, 738, 810, 820, 852, 984, 1065, 1080, 1107, 1136, 1230, 1278, 1296, 1420, 1476, 1620, 1640, 1704, 1845, 1917, 1968, 2130, 2160, 2214, 2460, 2556, 2840, 2911, 2952, 3195, 3240, 3280, 3321, 3408, 3690, 3834, 4260, 4428, 4920, 5112, 5535, 5680, 5751, 5822, 5904, 6390, 6480, 6642, 7380, 7668, 8520, 8733, 8856, 9585, 9840, 10224, 11070, 11502, 11644, 12780, 13284, 14555, 14760, 15336, 16605, 17040, 17466, 17712, 19170, 22140, 23004, 23288, 25560, 26199, 26568, 28755, 29110, 29520, 30672, 33210, 34932, 38340, 43665, 44280, 46008, 46576, 51120, 52398, 53136, 57510, 58220, 66420, 69864, 76680, 78597, 87330, 88560, 92016, 104796, 115020, 116440, 130995, 132840, 139728, 153360, 157194, 174660, 209592, 230040, 232880, 235791, 261990, 265680, 314388, 349320, 392985, 419184, 460080, 471582, 523980, 628776, 698640, 785970, 943164, 1047960, 1178955, 1257552, 1571940, 1886328, 2095920, 2357910, 3143880, 3772656, 4715820, 6287760, 9431640, 18863280]

約数ペア:

[(1, 18863280), (2, 9431640), (3, 6287760), (4, 4715820), (5, 3772656), (6, 3143880), (8, 2357910), (9, 2095920), (10, 1886328), (12, 1571940), (15, 1257552), (16, 1178955), (18, 1047960), (20, 943164), (24, 785970), (27, 698640), (30, 628776), (36, 523980), (40, 471582), (41, 460080), (45, 419184), (48, 392985), (54, 349320), (60, 314388), (71, 265680), (72, 261990), (80, 235791), (81, 232880), (82, 230040), (90, 209592), (108, 174660), (120, 157194), (123, 153360), (135, 139728), (142, 132840), (144, 130995), (162, 116440), (164, 115020), (180, 104796), (205, 92016), (213, 88560), (216, 87330), (240, 78597), (246, 76680), (270, 69864), (284, 66420), (324, 58220), (328, 57510), (355, 53136), (360, 52398), (369, 51120), (405, 46576), (410, 46008), (426, 44280), (432, 43665), (492, 38340), (540, 34932), (568, 33210), (615, 30672), (639, 29520), (648, 29110), (656, 28755), (710, 26568), (720, 26199), (738, 25560), (810, 23288), (820, 23004), (852, 22140), (984, 19170), (1065, 17712), (1080, 17466), (1107, 17040), (1136, 16605), (1230, 15336), (1278, 14760), (1296, 14555), (1420, 13284), (1476, 12780), (1620, 11644), (1640, 11502), (1704, 11070), (1845, 10224), (1917, 9840), (1968, 9585), (2130, 8856), (2160, 8733), (2214, 8520), (2460, 7668), (2556, 7380), (2840, 6642), (2911, 6480), (2952, 6390), (3195, 5904), (3240, 5822), (3280, 5751), (3321, 5680), (3408, 5535), (3690, 5112), (3834, 4920), (4260, 4428)]