147391720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{347}}^1$

素因数の和:443

約数の個数: 128

約数和(自身を含む): 399893760

約数和(自身を除く): 252502040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 41, 56, 70, 74, 82, 140, 148, 164, 185, 205, 259, 280, 287, 296, 328, 347, 370, 410, 518, 574, 694, 740, 820, 1036, 1148, 1295, 1388, 1435, 1480, 1517, 1640, 1735, 2072, 2296, 2429, 2590, 2776, 2870, 3034, 3470, 4858, 5180, 5740, 6068, 6940, 7585, 9716, 10360, 10619, 11480, 12136, 12145, 12839, 13880, 14227, 15170, 19432, 21238, 24290, 25678, 28454, 30340, 42476, 48580, 51356, 53095, 56908, 60680, 64195, 71135, 84952, 89873, 97160, 99589, 102712, 106190, 113816, 128390, 142270, 179746, 199178, 212380, 256780, 284540, 359492, 398356, 424760, 449365, 497945, 513560, 526399, 569080, 718984, 796712, 898730, 995890, 1052798, 1797460, 1991780, 2105596, 2631995, 3594920, 3684793, 3983560, 4211192, 5263990, 7369586, 10527980, 14739172, 18423965, 21055960, 29478344, 36847930, 73695860, 147391720]

約数ペア:

[(1, 147391720), (2, 73695860), (4, 36847930), (5, 29478344), (7, 21055960), (8, 18423965), (10, 14739172), (14, 10527980), (20, 7369586), (28, 5263990), (35, 4211192), (37, 3983560), (40, 3684793), (41, 3594920), (56, 2631995), (70, 2105596), (74, 1991780), (82, 1797460), (140, 1052798), (148, 995890), (164, 898730), (185, 796712), (205, 718984), (259, 569080), (280, 526399), (287, 513560), (296, 497945), (328, 449365), (347, 424760), (370, 398356), (410, 359492), (518, 284540), (574, 256780), (694, 212380), (740, 199178), (820, 179746), (1036, 142270), (1148, 128390), (1295, 113816), (1388, 106190), (1435, 102712), (1480, 99589), (1517, 97160), (1640, 89873), (1735, 84952), (2072, 71135), (2296, 64195), (2429, 60680), (2590, 56908), (2776, 53095), (2870, 51356), (3034, 48580), (3470, 42476), (4858, 30340), (5180, 28454), (5740, 25678), (6068, 24290), (6940, 21238), (7585, 19432), (9716, 15170), (10360, 14227), (10619, 13880), (11480, 12839), (12136, 12145)]