28855440

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:159

約数の個数: 200

約数和(自身を含む): 103257528

約数和(自身を除く): 74402088

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 61, 72, 73, 80, 81, 90, 108, 120, 122, 135, 144, 146, 162, 180, 183, 216, 219, 240, 244, 270, 292, 305, 324, 360, 365, 366, 405, 432, 438, 488, 540, 549, 584, 610, 648, 657, 720, 730, 732, 810, 876, 915, 976, 1080, 1095, 1098, 1168, 1220, 1296, 1314, 1460, 1464, 1620, 1647, 1752, 1830, 1971, 2160, 2190, 2196, 2440, 2628, 2745, 2920, 2928, 3240, 3285, 3294, 3504, 3660, 3942, 4380, 4392, 4453, 4880, 4941, 5256, 5490, 5840, 5913, 6480, 6570, 6588, 7320, 7884, 8235, 8760, 8784, 8906, 9855, 9882, 10512, 10980, 11826, 13140, 13176, 13359, 14640, 15768, 16470, 17520, 17812, 19710, 19764, 21960, 22265, 23652, 24705, 26280, 26352, 26718, 29565, 31536, 32940, 35624, 39420, 39528, 40077, 43920, 44530, 47304, 49410, 52560, 53436, 59130, 65880, 66795, 71248, 78840, 79056, 80154, 89060, 94608, 98820, 106872, 118260, 120231, 131760, 133590, 157680, 160308, 178120, 197640, 200385, 213744, 236520, 240462, 267180, 320616, 356240, 360693, 395280, 400770, 473040, 480924, 534360, 601155, 641232, 721386, 801540, 961848, 1068720, 1202310, 1442772, 1603080, 1803465, 1923696, 2404620, 2885544, 3206160, 3606930, 4809240, 5771088, 7213860, 9618480, 14427720, 28855440]

約数ペア:

[(1, 28855440), (2, 14427720), (3, 9618480), (4, 7213860), (5, 5771088), (6, 4809240), (8, 3606930), (9, 3206160), (10, 2885544), (12, 2404620), (15, 1923696), (16, 1803465), (18, 1603080), (20, 1442772), (24, 1202310), (27, 1068720), (30, 961848), (36, 801540), (40, 721386), (45, 641232), (48, 601155), (54, 534360), (60, 480924), (61, 473040), (72, 400770), (73, 395280), (80, 360693), (81, 356240), (90, 320616), (108, 267180), (120, 240462), (122, 236520), (135, 213744), (144, 200385), (146, 197640), (162, 178120), (180, 160308), (183, 157680), (216, 133590), (219, 131760), (240, 120231), (244, 118260), (270, 106872), (292, 98820), (305, 94608), (324, 89060), (360, 80154), (365, 79056), (366, 78840), (405, 71248), (432, 66795), (438, 65880), (488, 59130), (540, 53436), (549, 52560), (584, 49410), (610, 47304), (648, 44530), (657, 43920), (720, 40077), (730, 39528), (732, 39420), (810, 35624), (876, 32940), (915, 31536), (976, 29565), (1080, 26718), (1095, 26352), (1098, 26280), (1168, 24705), (1220, 23652), (1296, 22265), (1314, 21960), (1460, 19764), (1464, 19710), (1620, 17812), (1647, 17520), (1752, 16470), (1830, 15768), (1971, 14640), (2160, 13359), (2190, 13176), (2196, 13140), (2440, 11826), (2628, 10980), (2745, 10512), (2920, 9882), (2928, 9855), (3240, 8906), (3285, 8784), (3294, 8760), (3504, 8235), (3660, 7884), (3942, 7320), (4380, 6588), (4392, 6570), (4453, 6480), (4880, 5913), (4941, 5840), (5256, 5490)]