212675280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:349

約数の個数: 160

約数和(自身を含む): 682694400

約数和(自身を除く): 470019120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 73, 80, 120, 122, 146, 183, 199, 219, 240, 244, 292, 305, 365, 366, 398, 438, 488, 584, 597, 610, 730, 732, 796, 876, 915, 976, 995, 1095, 1168, 1194, 1220, 1460, 1464, 1592, 1752, 1830, 1990, 2190, 2388, 2440, 2920, 2928, 2985, 3184, 3504, 3660, 3980, 4380, 4453, 4776, 4880, 5840, 5970, 7320, 7960, 8760, 8906, 9552, 11940, 12139, 13359, 14527, 14640, 15920, 17520, 17812, 22265, 23880, 24278, 26718, 29054, 35624, 36417, 43581, 44530, 47760, 48556, 53436, 58108, 60695, 66795, 71248, 72635, 72834, 87162, 89060, 97112, 106872, 116216, 121390, 133590, 145270, 145668, 174324, 178120, 182085, 194224, 213744, 217905, 232432, 242780, 267180, 290540, 291336, 348648, 356240, 364170, 435810, 485560, 534360, 581080, 582672, 697296, 728340, 871620, 886147, 971120, 1068720, 1162160, 1456680, 1743240, 1772294, 2658441, 2913360, 3486480, 3544588, 4430735, 5316882, 7089176, 8861470, 10633764, 13292205, 14178352, 17722940, 21267528, 26584410, 35445880, 42535056, 53168820, 70891760, 106337640, 212675280]

約数ペア:

[(1, 212675280), (2, 106337640), (3, 70891760), (4, 53168820), (5, 42535056), (6, 35445880), (8, 26584410), (10, 21267528), (12, 17722940), (15, 14178352), (16, 13292205), (20, 10633764), (24, 8861470), (30, 7089176), (40, 5316882), (48, 4430735), (60, 3544588), (61, 3486480), (73, 2913360), (80, 2658441), (120, 1772294), (122, 1743240), (146, 1456680), (183, 1162160), (199, 1068720), (219, 971120), (240, 886147), (244, 871620), (292, 728340), (305, 697296), (365, 582672), (366, 581080), (398, 534360), (438, 485560), (488, 435810), (584, 364170), (597, 356240), (610, 348648), (730, 291336), (732, 290540), (796, 267180), (876, 242780), (915, 232432), (976, 217905), (995, 213744), (1095, 194224), (1168, 182085), (1194, 178120), (1220, 174324), (1460, 145668), (1464, 145270), (1592, 133590), (1752, 121390), (1830, 116216), (1990, 106872), (2190, 97112), (2388, 89060), (2440, 87162), (2920, 72834), (2928, 72635), (2985, 71248), (3184, 66795), (3504, 60695), (3660, 58108), (3980, 53436), (4380, 48556), (4453, 47760), (4776, 44530), (4880, 43581), (5840, 36417), (5970, 35624), (7320, 29054), (7960, 26718), (8760, 24278), (8906, 23880), (9552, 22265), (11940, 17812), (12139, 17520), (13359, 15920), (14527, 14640)]