309204540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:230

約数の個数: 240

約数和(自身を含む): 1030385664

約数和(自身を除く): 721181124

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 47, 54, 60, 62, 81, 90, 93, 94, 108, 124, 131, 135, 141, 155, 162, 180, 186, 188, 235, 262, 270, 279, 282, 310, 324, 372, 393, 405, 423, 465, 470, 524, 540, 558, 564, 620, 655, 705, 786, 810, 837, 846, 930, 940, 1116, 1179, 1269, 1310, 1395, 1410, 1457, 1572, 1620, 1674, 1692, 1860, 1965, 2115, 2358, 2511, 2538, 2620, 2790, 2820, 2914, 3348, 3537, 3807, 3930, 4061, 4185, 4230, 4371, 4716, 5022, 5076, 5580, 5828, 5895, 6157, 6345, 7074, 7285, 7614, 7860, 8122, 8370, 8460, 8742, 10044, 10611, 11790, 12183, 12314, 12555, 12690, 13113, 14148, 14570, 15228, 16244, 16740, 17484, 17685, 18471, 19035, 20305, 21222, 21855, 23580, 24366, 24628, 25110, 25380, 26226, 29140, 30785, 35370, 36549, 36942, 38070, 39339, 40610, 42444, 43710, 48732, 50220, 52452, 53055, 55413, 60915, 61570, 65565, 70740, 73098, 73884, 76140, 78678, 81220, 87420, 92355, 106110, 109647, 110826, 118017, 121830, 123140, 131130, 146196, 157356, 166239, 182745, 184710, 190867, 196695, 212220, 219294, 221652, 236034, 243660, 262260, 277065, 328941, 332478, 365490, 369420, 381734, 393390, 438588, 472068, 498717, 548235, 554130, 572601, 590085, 657882, 664956, 730980, 763468, 786780, 831195, 954335, 997434, 1096470, 1108260, 1145202, 1180170, 1315764, 1644705, 1662390, 1717803, 1908670, 1994868, 2192940, 2290404, 2360340, 2493585, 2863005, 3289410, 3324780, 3435606, 3817340, 4987170, 5153409, 5726010, 6578820, 6871212, 8589015, 9974340, 10306818, 11452020, 15460227, 17178030, 20613636, 25767045, 30920454, 34356060, 51534090, 61840908, 77301135, 103068180, 154602270, 309204540]

約数ペア:

[(1, 309204540), (2, 154602270), (3, 103068180), (4, 77301135), (5, 61840908), (6, 51534090), (9, 34356060), (10, 30920454), (12, 25767045), (15, 20613636), (18, 17178030), (20, 15460227), (27, 11452020), (30, 10306818), (31, 9974340), (36, 8589015), (45, 6871212), (47, 6578820), (54, 5726010), (60, 5153409), (62, 4987170), (81, 3817340), (90, 3435606), (93, 3324780), (94, 3289410), (108, 2863005), (124, 2493585), (131, 2360340), (135, 2290404), (141, 2192940), (155, 1994868), (162, 1908670), (180, 1717803), (186, 1662390), (188, 1644705), (235, 1315764), (262, 1180170), (270, 1145202), (279, 1108260), (282, 1096470), (310, 997434), (324, 954335), (372, 831195), (393, 786780), (405, 763468), (423, 730980), (465, 664956), (470, 657882), (524, 590085), (540, 572601), (558, 554130), (564, 548235), (620, 498717), (655, 472068), (705, 438588), (786, 393390), (810, 381734), (837, 369420), (846, 365490), (930, 332478), (940, 328941), (1116, 277065), (1179, 262260), (1269, 243660), (1310, 236034), (1395, 221652), (1410, 219294), (1457, 212220), (1572, 196695), (1620, 190867), (1674, 184710), (1692, 182745), (1860, 166239), (1965, 157356), (2115, 146196), (2358, 131130), (2511, 123140), (2538, 121830), (2620, 118017), (2790, 110826), (2820, 109647), (2914, 106110), (3348, 92355), (3537, 87420), (3807, 81220), (3930, 78678), (4061, 76140), (4185, 73884), (4230, 73098), (4371, 70740), (4716, 65565), (5022, 61570), (5076, 60915), (5580, 55413), (5828, 53055), (5895, 52452), (6157, 50220), (6345, 48732), (7074, 43710), (7285, 42444), (7614, 40610), (7860, 39339), (8122, 38070), (8370, 36942), (8460, 36549), (8742, 35370), (10044, 30785), (10611, 29140), (11790, 26226), (12183, 25380), (12314, 25110), (12555, 24628), (12690, 24366), (13113, 23580), (14148, 21855), (14570, 21222), (15228, 20305), (16244, 19035), (16740, 18471), (17484, 17685)]