1128027520

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{521}}^1$

素因数の和:756

約数の個数: 128

約数和(自身を含む): 2875176000

約数和(自身を除く): 1747148480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 199, 272, 320, 340, 398, 521, 544, 640, 680, 796, 995, 1042, 1088, 1360, 1592, 1990, 2084, 2176, 2605, 2720, 3184, 3383, 3980, 4168, 5210, 5440, 6368, 6766, 7960, 8336, 8857, 10420, 10880, 12736, 13532, 15920, 16672, 16915, 17714, 20840, 25472, 27064, 31840, 33344, 33830, 35428, 41680, 44285, 54128, 63680, 66688, 67660, 70856, 83360, 88570, 103679, 108256, 127360, 135320, 141712, 166720, 177140, 207358, 216512, 270640, 283424, 333440, 354280, 414716, 433024, 518395, 541280, 566848, 708560, 829432, 1036790, 1082560, 1133696, 1417120, 1658864, 1762543, 2073580, 2165120, 2834240, 3317728, 3525086, 4147160, 5668480, 6635456, 7050172, 8294320, 8812715, 13270912, 14100344, 16588640, 17625430, 28200688, 33177280, 35250860, 56401376, 66354560, 70501720, 112802752, 141003440, 225605504, 282006880, 564013760, 1128027520]

約数ペア:

[(1, 1128027520), (2, 564013760), (4, 282006880), (5, 225605504), (8, 141003440), (10, 112802752), (16, 70501720), (17, 66354560), (20, 56401376), (32, 35250860), (34, 33177280), (40, 28200688), (64, 17625430), (68, 16588640), (80, 14100344), (85, 13270912), (128, 8812715), (136, 8294320), (160, 7050172), (170, 6635456), (199, 5668480), (272, 4147160), (320, 3525086), (340, 3317728), (398, 2834240), (521, 2165120), (544, 2073580), (640, 1762543), (680, 1658864), (796, 1417120), (995, 1133696), (1042, 1082560), (1088, 1036790), (1360, 829432), (1592, 708560), (1990, 566848), (2084, 541280), (2176, 518395), (2605, 433024), (2720, 414716), (3184, 354280), (3383, 333440), (3980, 283424), (4168, 270640), (5210, 216512), (5440, 207358), (6368, 177140), (6766, 166720), (7960, 141712), (8336, 135320), (8857, 127360), (10420, 108256), (10880, 103679), (12736, 88570), (13532, 83360), (15920, 70856), (16672, 67660), (16915, 66688), (17714, 63680), (20840, 54128), (25472, 44285), (27064, 41680), (31840, 35428), (33344, 33830)]