305892720

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{20231}}^1$

素因数の和:20260

約数の個数: 160

約数和(自身を含む): 1204208640

約数和(自身を除く): 898315920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 20231, 40462, 60693, 80924, 101155, 121386, 141617, 161848, 182079, 202310, 242772, 283234, 303465, 323696, 364158, 404620, 424851, 485544, 546237, 566468, 606930, 708085, 728316, 809240, 849702, 910395, 971088, 1092474, 1132936, 1213860, 1274553, 1416170, 1456632, 1618480, 1699404, 1820790, 2124255, 2184948, 2265872, 2427720, 2549106, 2731185, 2832340, 2913264, 3398808, 3641580, 3823659, 4248510, 4369896, 4855440, 5098212, 5462370, 5664680, 6372765, 6797616, 7283160, 7647318, 8497020, 8739792, 10196424, 10924740, 11329360, 12745530, 14566320, 15294636, 16994040, 19118295, 20392848, 21849480, 25491060, 30589272, 33988080, 38236590, 43698960, 50982120, 61178544, 76473180, 101964240, 152946360, 305892720]

約数ペア:

[(1, 305892720), (2, 152946360), (3, 101964240), (4, 76473180), (5, 61178544), (6, 50982120), (7, 43698960), (8, 38236590), (9, 33988080), (10, 30589272), (12, 25491060), (14, 21849480), (15, 20392848), (16, 19118295), (18, 16994040), (20, 15294636), (21, 14566320), (24, 12745530), (27, 11329360), (28, 10924740), (30, 10196424), (35, 8739792), (36, 8497020), (40, 7647318), (42, 7283160), (45, 6797616), (48, 6372765), (54, 5664680), (56, 5462370), (60, 5098212), (63, 4855440), (70, 4369896), (72, 4248510), (80, 3823659), (84, 3641580), (90, 3398808), (105, 2913264), (108, 2832340), (112, 2731185), (120, 2549106), (126, 2427720), (135, 2265872), (140, 2184948), (144, 2124255), (168, 1820790), (180, 1699404), (189, 1618480), (210, 1456632), (216, 1416170), (240, 1274553), (252, 1213860), (270, 1132936), (280, 1092474), (315, 971088), (336, 910395), (360, 849702), (378, 809240), (420, 728316), (432, 708085), (504, 606930), (540, 566468), (560, 546237), (630, 485544), (720, 424851), (756, 404620), (840, 364158), (945, 323696), (1008, 303465), (1080, 283234), (1260, 242772), (1512, 202310), (1680, 182079), (1890, 161848), (2160, 141617), (2520, 121386), (3024, 101155), (3780, 80924), (5040, 60693), (7560, 40462), (15120, 20231)]