204057420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:264

約数の個数: 192

約数和(自身を含む): 679311360

約数和(自身を除く): 475253940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 53, 60, 70, 84, 89, 103, 105, 106, 140, 159, 178, 206, 210, 212, 265, 267, 309, 318, 356, 371, 412, 420, 445, 515, 530, 534, 618, 623, 636, 721, 742, 795, 890, 1030, 1060, 1068, 1113, 1236, 1246, 1335, 1442, 1484, 1545, 1590, 1780, 1855, 1869, 2060, 2163, 2226, 2492, 2670, 2884, 3090, 3115, 3180, 3605, 3710, 3738, 4326, 4452, 4717, 5340, 5459, 5565, 6180, 6230, 7210, 7420, 7476, 8652, 9167, 9345, 9434, 10815, 10918, 11130, 12460, 14151, 14420, 16377, 18334, 18690, 18868, 21630, 21836, 22260, 23585, 27295, 27501, 28302, 32754, 33019, 36668, 37380, 38213, 43260, 45835, 47170, 54590, 55002, 56604, 64169, 65508, 66038, 70755, 76426, 81885, 91670, 94340, 99057, 109180, 110004, 114639, 128338, 132076, 137505, 141510, 152852, 163770, 165095, 183340, 191065, 192507, 198114, 229278, 256676, 275010, 283020, 320845, 327540, 330190, 382130, 385014, 396228, 458556, 485851, 495285, 550020, 573195, 641690, 660380, 764260, 770028, 962535, 971702, 990570, 1146390, 1283380, 1457553, 1925070, 1943404, 1981140, 2292780, 2429255, 2915106, 3400957, 3850140, 4858510, 5830212, 6801914, 7287765, 9717020, 10202871, 13603828, 14575530, 17004785, 20405742, 29151060, 34009570, 40811484, 51014355, 68019140, 102028710, 204057420]

約数ペア:

[(1, 204057420), (2, 102028710), (3, 68019140), (4, 51014355), (5, 40811484), (6, 34009570), (7, 29151060), (10, 20405742), (12, 17004785), (14, 14575530), (15, 13603828), (20, 10202871), (21, 9717020), (28, 7287765), (30, 6801914), (35, 5830212), (42, 4858510), (53, 3850140), (60, 3400957), (70, 2915106), (84, 2429255), (89, 2292780), (103, 1981140), (105, 1943404), (106, 1925070), (140, 1457553), (159, 1283380), (178, 1146390), (206, 990570), (210, 971702), (212, 962535), (265, 770028), (267, 764260), (309, 660380), (318, 641690), (356, 573195), (371, 550020), (412, 495285), (420, 485851), (445, 458556), (515, 396228), (530, 385014), (534, 382130), (618, 330190), (623, 327540), (636, 320845), (721, 283020), (742, 275010), (795, 256676), (890, 229278), (1030, 198114), (1060, 192507), (1068, 191065), (1113, 183340), (1236, 165095), (1246, 163770), (1335, 152852), (1442, 141510), (1484, 137505), (1545, 132076), (1590, 128338), (1780, 114639), (1855, 110004), (1869, 109180), (2060, 99057), (2163, 94340), (2226, 91670), (2492, 81885), (2670, 76426), (2884, 70755), (3090, 66038), (3115, 65508), (3180, 64169), (3605, 56604), (3710, 55002), (3738, 54590), (4326, 47170), (4452, 45835), (4717, 43260), (5340, 38213), (5459, 37380), (5565, 36668), (6180, 33019), (6230, 32754), (7210, 28302), (7420, 27501), (7476, 27295), (8652, 23585), (9167, 22260), (9345, 21836), (9434, 21630), (10815, 18868), (10918, 18690), (11130, 18334), (12460, 16377), (14151, 14420)]