247071240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:205

約数の個数: 288

約数和(自身を含む): 904400640

約数和(自身を除く): 657329400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 31, 36, 39, 40, 45, 52, 60, 62, 65, 72, 78, 90, 93, 104, 117, 120, 124, 130, 131, 155, 156, 169, 180, 186, 195, 234, 248, 260, 262, 279, 310, 312, 338, 360, 372, 390, 393, 403, 465, 468, 507, 520, 524, 558, 585, 620, 655, 676, 744, 780, 786, 806, 845, 930, 936, 1014, 1048, 1116, 1170, 1179, 1209, 1240, 1310, 1352, 1395, 1521, 1560, 1572, 1612, 1690, 1703, 1860, 1965, 2015, 2028, 2232, 2340, 2358, 2418, 2535, 2620, 2790, 3042, 3144, 3224, 3380, 3406, 3627, 3720, 3930, 4030, 4056, 4061, 4680, 4716, 4836, 5070, 5109, 5239, 5240, 5580, 5895, 6045, 6084, 6760, 6812, 7254, 7605, 7860, 8060, 8122, 8515, 9432, 9672, 10140, 10218, 10478, 11160, 11790, 12090, 12168, 12183, 13624, 14508, 15210, 15327, 15717, 15720, 16120, 16244, 17030, 18135, 20280, 20305, 20436, 20956, 22139, 23580, 24180, 24366, 25545, 26195, 29016, 30420, 30654, 31434, 32488, 34060, 36270, 36549, 40610, 40872, 41912, 44278, 47151, 47160, 48360, 48732, 51090, 52390, 52793, 60840, 60915, 61308, 62868, 66417, 68120, 72540, 73098, 76635, 78585, 81220, 88556, 94302, 97464, 102180, 104780, 105586, 110695, 121830, 122616, 125736, 132834, 145080, 146196, 153270, 157170, 158379, 162440, 177112, 182745, 188604, 199251, 204360, 209560, 211172, 221390, 235755, 243660, 263965, 265668, 292392, 306540, 314340, 316758, 332085, 365490, 377208, 398502, 422344, 442780, 471510, 475137, 487320, 527930, 531336, 613080, 628680, 633516, 664170, 686309, 730980, 791895, 797004, 885560, 943020, 950274, 996255, 1055860, 1267032, 1328340, 1372618, 1461960, 1583790, 1594008, 1886040, 1900548, 1992510, 2058927, 2111720, 2375685, 2656680, 2745236, 3167580, 3431545, 3801096, 3985020, 4117854, 4751370, 5490472, 6176781, 6335160, 6863090, 7970040, 8235708, 9502740, 10294635, 12353562, 13726180, 16471416, 19005480, 20589270, 24707124, 27452360, 30883905, 41178540, 49414248, 61767810, 82357080, 123535620, 247071240]

約数ペア:

[(1, 247071240), (2, 123535620), (3, 82357080), (4, 61767810), (5, 49414248), (6, 41178540), (8, 30883905), (9, 27452360), (10, 24707124), (12, 20589270), (13, 19005480), (15, 16471416), (18, 13726180), (20, 12353562), (24, 10294635), (26, 9502740), (30, 8235708), (31, 7970040), (36, 6863090), (39, 6335160), (40, 6176781), (45, 5490472), (52, 4751370), (60, 4117854), (62, 3985020), (65, 3801096), (72, 3431545), (78, 3167580), (90, 2745236), (93, 2656680), (104, 2375685), (117, 2111720), (120, 2058927), (124, 1992510), (130, 1900548), (131, 1886040), (155, 1594008), (156, 1583790), (169, 1461960), (180, 1372618), (186, 1328340), (195, 1267032), (234, 1055860), (248, 996255), (260, 950274), (262, 943020), (279, 885560), (310, 797004), (312, 791895), (338, 730980), (360, 686309), (372, 664170), (390, 633516), (393, 628680), (403, 613080), (465, 531336), (468, 527930), (507, 487320), (520, 475137), (524, 471510), (558, 442780), (585, 422344), (620, 398502), (655, 377208), (676, 365490), (744, 332085), (780, 316758), (786, 314340), (806, 306540), (845, 292392), (930, 265668), (936, 263965), (1014, 243660), (1048, 235755), (1116, 221390), (1170, 211172), (1179, 209560), (1209, 204360), (1240, 199251), (1310, 188604), (1352, 182745), (1395, 177112), (1521, 162440), (1560, 158379), (1572, 157170), (1612, 153270), (1690, 146196), (1703, 145080), (1860, 132834), (1965, 125736), (2015, 122616), (2028, 121830), (2232, 110695), (2340, 105586), (2358, 104780), (2418, 102180), (2535, 97464), (2620, 94302), (2790, 88556), (3042, 81220), (3144, 78585), (3224, 76635), (3380, 73098), (3406, 72540), (3627, 68120), (3720, 66417), (3930, 62868), (4030, 61308), (4056, 60915), (4061, 60840), (4680, 52793), (4716, 52390), (4836, 51090), (5070, 48732), (5109, 48360), (5239, 47160), (5240, 47151), (5580, 44278), (5895, 41912), (6045, 40872), (6084, 40610), (6760, 36549), (6812, 36270), (7254, 34060), (7605, 32488), (7860, 31434), (8060, 30654), (8122, 30420), (8515, 29016), (9432, 26195), (9672, 25545), (10140, 24366), (10218, 24180), (10478, 23580), (11160, 22139), (11790, 20956), (12090, 20436), (12168, 20305), (12183, 20280), (13624, 18135), (14508, 17030), (15210, 16244), (15327, 16120), (15717, 15720)]