28294920

素因数分解:

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

素因数の和:138

約数の個数: 192

約数和(自身を含む): 99066240

約数和(自身を除く): 70771320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 41, 45, 54, 60, 71, 72, 81, 82, 90, 108, 120, 123, 135, 142, 162, 164, 180, 205, 213, 216, 243, 246, 270, 284, 324, 328, 355, 360, 369, 405, 410, 426, 486, 492, 540, 568, 615, 639, 648, 710, 738, 810, 820, 852, 972, 984, 1065, 1080, 1107, 1215, 1230, 1278, 1420, 1476, 1620, 1640, 1704, 1845, 1917, 1944, 2130, 2214, 2430, 2460, 2556, 2840, 2911, 2952, 3195, 3240, 3321, 3690, 3834, 4260, 4428, 4860, 4920, 5112, 5535, 5751, 5822, 6390, 6642, 7380, 7668, 8520, 8733, 8856, 9585, 9720, 9963, 11070, 11502, 11644, 12780, 13284, 14555, 14760, 15336, 16605, 17253, 17466, 19170, 19926, 22140, 23004, 23288, 25560, 26199, 26568, 28755, 29110, 33210, 34506, 34932, 38340, 39852, 43665, 44280, 46008, 49815, 52398, 57510, 58220, 66420, 69012, 69864, 76680, 78597, 79704, 86265, 87330, 99630, 104796, 115020, 116440, 130995, 132840, 138024, 157194, 172530, 174660, 199260, 209592, 230040, 235791, 261990, 314388, 345060, 349320, 392985, 398520, 471582, 523980, 628776, 690120, 707373, 785970, 943164, 1047960, 1178955, 1414746, 1571940, 1886328, 2357910, 2829492, 3143880, 3536865, 4715820, 5658984, 7073730, 9431640, 14147460, 28294920]

約数ペア:

[(1, 28294920), (2, 14147460), (3, 9431640), (4, 7073730), (5, 5658984), (6, 4715820), (8, 3536865), (9, 3143880), (10, 2829492), (12, 2357910), (15, 1886328), (18, 1571940), (20, 1414746), (24, 1178955), (27, 1047960), (30, 943164), (36, 785970), (40, 707373), (41, 690120), (45, 628776), (54, 523980), (60, 471582), (71, 398520), (72, 392985), (81, 349320), (82, 345060), (90, 314388), (108, 261990), (120, 235791), (123, 230040), (135, 209592), (142, 199260), (162, 174660), (164, 172530), (180, 157194), (205, 138024), (213, 132840), (216, 130995), (243, 116440), (246, 115020), (270, 104796), (284, 99630), (324, 87330), (328, 86265), (355, 79704), (360, 78597), (369, 76680), (405, 69864), (410, 69012), (426, 66420), (486, 58220), (492, 57510), (540, 52398), (568, 49815), (615, 46008), (639, 44280), (648, 43665), (710, 39852), (738, 38340), (810, 34932), (820, 34506), (852, 33210), (972, 29110), (984, 28755), (1065, 26568), (1080, 26199), (1107, 25560), (1215, 23288), (1230, 23004), (1278, 22140), (1420, 19926), (1476, 19170), (1620, 17466), (1640, 17253), (1704, 16605), (1845, 15336), (1917, 14760), (1944, 14555), (2130, 13284), (2214, 12780), (2430, 11644), (2460, 11502), (2556, 11070), (2840, 9963), (2911, 9720), (2952, 9585), (3195, 8856), (3240, 8733), (3321, 8520), (3690, 7668), (3834, 7380), (4260, 6642), (4428, 6390), (4860, 5822), (4920, 5751), (5112, 5535)]