28143720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:157

約数の個数: 256

約数和(自身を含む): 107827200

約数和(自身を除く): 79683480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 23, 24, 27, 30, 33, 36, 40, 44, 45, 46, 54, 55, 60, 66, 69, 72, 88, 90, 92, 99, 103, 108, 110, 115, 120, 132, 135, 138, 165, 180, 184, 198, 206, 207, 216, 220, 230, 253, 264, 270, 276, 297, 309, 330, 345, 360, 396, 412, 414, 440, 460, 495, 506, 515, 540, 552, 594, 618, 621, 660, 690, 759, 792, 824, 828, 920, 927, 990, 1012, 1030, 1035, 1080, 1133, 1188, 1236, 1242, 1265, 1320, 1380, 1485, 1518, 1545, 1656, 1854, 1980, 2024, 2060, 2070, 2266, 2277, 2369, 2376, 2472, 2484, 2530, 2760, 2781, 2970, 3036, 3090, 3105, 3399, 3708, 3795, 3960, 4120, 4140, 4532, 4554, 4635, 4738, 4968, 5060, 5562, 5665, 5940, 6072, 6180, 6210, 6798, 6831, 7107, 7416, 7590, 8280, 9064, 9108, 9270, 9476, 10120, 10197, 11124, 11330, 11385, 11845, 11880, 12360, 12420, 13596, 13662, 13905, 14214, 15180, 16995, 18216, 18540, 18952, 20394, 21321, 22248, 22660, 22770, 23690, 24840, 26059, 27192, 27324, 27810, 28428, 30360, 30591, 33990, 34155, 35535, 37080, 40788, 42642, 45320, 45540, 47380, 50985, 52118, 54648, 55620, 56856, 61182, 63963, 67980, 68310, 71070, 78177, 81576, 85284, 91080, 94760, 101970, 104236, 106605, 111240, 122364, 127926, 130295, 135960, 136620, 142140, 152955, 156354, 170568, 203940, 208472, 213210, 234531, 244728, 255852, 260590, 273240, 284280, 305910, 312708, 319815, 390885, 407880, 426420, 469062, 511704, 521180, 611820, 625416, 639630, 703593, 781770, 852840, 938124, 1042360, 1172655, 1223640, 1279260, 1407186, 1563540, 1876248, 2345310, 2558520, 2814372, 3127080, 3517965, 4690620, 5628744, 7035930, 9381240, 14071860, 28143720]

約数ペア:

[(1, 28143720), (2, 14071860), (3, 9381240), (4, 7035930), (5, 5628744), (6, 4690620), (8, 3517965), (9, 3127080), (10, 2814372), (11, 2558520), (12, 2345310), (15, 1876248), (18, 1563540), (20, 1407186), (22, 1279260), (23, 1223640), (24, 1172655), (27, 1042360), (30, 938124), (33, 852840), (36, 781770), (40, 703593), (44, 639630), (45, 625416), (46, 611820), (54, 521180), (55, 511704), (60, 469062), (66, 426420), (69, 407880), (72, 390885), (88, 319815), (90, 312708), (92, 305910), (99, 284280), (103, 273240), (108, 260590), (110, 255852), (115, 244728), (120, 234531), (132, 213210), (135, 208472), (138, 203940), (165, 170568), (180, 156354), (184, 152955), (198, 142140), (206, 136620), (207, 135960), (216, 130295), (220, 127926), (230, 122364), (253, 111240), (264, 106605), (270, 104236), (276, 101970), (297, 94760), (309, 91080), (330, 85284), (345, 81576), (360, 78177), (396, 71070), (412, 68310), (414, 67980), (440, 63963), (460, 61182), (495, 56856), (506, 55620), (515, 54648), (540, 52118), (552, 50985), (594, 47380), (618, 45540), (621, 45320), (660, 42642), (690, 40788), (759, 37080), (792, 35535), (824, 34155), (828, 33990), (920, 30591), (927, 30360), (990, 28428), (1012, 27810), (1030, 27324), (1035, 27192), (1080, 26059), (1133, 24840), (1188, 23690), (1236, 22770), (1242, 22660), (1265, 22248), (1320, 21321), (1380, 20394), (1485, 18952), (1518, 18540), (1545, 18216), (1656, 16995), (1854, 15180), (1980, 14214), (2024, 13905), (2060, 13662), (2070, 13596), (2266, 12420), (2277, 12360), (2369, 11880), (2376, 11845), (2472, 11385), (2484, 11330), (2530, 11124), (2760, 10197), (2781, 10120), (2970, 9476), (3036, 9270), (3090, 9108), (3105, 9064), (3399, 8280), (3708, 7590), (3795, 7416), (3960, 7107), (4120, 6831), (4140, 6798), (4532, 6210), (4554, 6180), (4635, 6072), (4738, 5940), (4968, 5665), (5060, 5562)]