401308020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:244

約数の個数: 240

約数和(自身を含む): 1330914816

約数和(自身を除く): 929606796

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 61, 62, 81, 90, 93, 108, 122, 124, 131, 135, 155, 162, 180, 183, 186, 244, 262, 270, 279, 305, 310, 324, 366, 372, 393, 405, 465, 524, 540, 549, 558, 610, 620, 655, 732, 786, 810, 837, 915, 930, 1098, 1116, 1179, 1220, 1310, 1395, 1572, 1620, 1647, 1674, 1830, 1860, 1891, 1965, 2196, 2358, 2511, 2620, 2745, 2790, 3294, 3348, 3537, 3660, 3782, 3930, 4061, 4185, 4716, 4941, 5022, 5490, 5580, 5673, 5895, 6588, 7074, 7564, 7860, 7991, 8122, 8235, 8370, 9455, 9882, 10044, 10611, 10980, 11346, 11790, 12183, 12555, 14148, 15982, 16244, 16470, 16740, 17019, 17685, 18910, 19764, 20305, 21222, 22692, 23580, 23973, 24366, 24705, 25110, 28365, 31964, 32940, 34038, 35370, 36549, 37820, 39955, 40610, 42444, 47946, 48732, 49410, 50220, 51057, 53055, 56730, 60915, 68076, 70740, 71919, 73098, 79910, 81220, 85095, 95892, 98820, 102114, 106110, 109647, 113460, 119865, 121830, 143838, 146196, 153171, 159820, 170190, 182745, 204228, 212220, 215757, 219294, 239730, 243660, 247721, 255285, 287676, 306342, 328941, 340380, 359595, 365490, 431514, 438588, 479460, 495442, 510570, 548235, 612684, 647271, 657882, 719190, 730980, 743163, 765855, 863028, 990884, 1021140, 1078785, 1096470, 1238605, 1294542, 1315764, 1438380, 1486326, 1531710, 1644705, 2157570, 2192940, 2229489, 2477210, 2589084, 2972652, 3063420, 3236355, 3289410, 3715815, 4315140, 4458978, 4954420, 6472710, 6578820, 6688467, 7431630, 8917956, 11147445, 12945420, 13376934, 14863260, 20065401, 22294890, 26753868, 33442335, 40130802, 44589780, 66884670, 80261604, 100327005, 133769340, 200654010, 401308020]

約数ペア:

[(1, 401308020), (2, 200654010), (3, 133769340), (4, 100327005), (5, 80261604), (6, 66884670), (9, 44589780), (10, 40130802), (12, 33442335), (15, 26753868), (18, 22294890), (20, 20065401), (27, 14863260), (30, 13376934), (31, 12945420), (36, 11147445), (45, 8917956), (54, 7431630), (60, 6688467), (61, 6578820), (62, 6472710), (81, 4954420), (90, 4458978), (93, 4315140), (108, 3715815), (122, 3289410), (124, 3236355), (131, 3063420), (135, 2972652), (155, 2589084), (162, 2477210), (180, 2229489), (183, 2192940), (186, 2157570), (244, 1644705), (262, 1531710), (270, 1486326), (279, 1438380), (305, 1315764), (310, 1294542), (324, 1238605), (366, 1096470), (372, 1078785), (393, 1021140), (405, 990884), (465, 863028), (524, 765855), (540, 743163), (549, 730980), (558, 719190), (610, 657882), (620, 647271), (655, 612684), (732, 548235), (786, 510570), (810, 495442), (837, 479460), (915, 438588), (930, 431514), (1098, 365490), (1116, 359595), (1179, 340380), (1220, 328941), (1310, 306342), (1395, 287676), (1572, 255285), (1620, 247721), (1647, 243660), (1674, 239730), (1830, 219294), (1860, 215757), (1891, 212220), (1965, 204228), (2196, 182745), (2358, 170190), (2511, 159820), (2620, 153171), (2745, 146196), (2790, 143838), (3294, 121830), (3348, 119865), (3537, 113460), (3660, 109647), (3782, 106110), (3930, 102114), (4061, 98820), (4185, 95892), (4716, 85095), (4941, 81220), (5022, 79910), (5490, 73098), (5580, 71919), (5673, 70740), (5895, 68076), (6588, 60915), (7074, 56730), (7564, 53055), (7860, 51057), (7991, 50220), (8122, 49410), (8235, 48732), (8370, 47946), (9455, 42444), (9882, 40610), (10044, 39955), (10611, 37820), (10980, 36549), (11346, 35370), (11790, 34038), (12183, 32940), (12555, 31964), (14148, 28365), (15982, 25110), (16244, 24705), (16470, 24366), (16740, 23973), (17019, 23580), (17685, 22692), (18910, 21222), (19764, 20305)]