123204060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{353}}^1$

素因数の和:652

約数の個数: 144

約数和(自身を含む): 429863616

約数和(自身を除く): 306659556

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 277, 315, 353, 420, 554, 630, 706, 831, 1059, 1108, 1260, 1385, 1412, 1662, 1765, 1939, 2118, 2471, 2493, 2770, 3177, 3324, 3530, 3878, 4155, 4236, 4942, 4986, 5295, 5540, 5817, 6354, 7060, 7413, 7756, 8310, 9695, 9884, 9972, 10590, 11634, 12355, 12465, 12708, 14826, 15885, 16620, 17451, 19390, 21180, 22239, 23268, 24710, 24930, 29085, 29652, 31770, 34902, 37065, 38780, 44478, 49420, 49860, 58170, 63540, 69804, 74130, 87255, 88956, 97781, 111195, 116340, 148260, 174510, 195562, 222390, 293343, 349020, 391124, 444780, 488905, 586686, 684467, 880029, 977810, 1173372, 1368934, 1466715, 1760058, 1955620, 2053401, 2737868, 2933430, 3422335, 3520116, 4106802, 4400145, 5866860, 6160203, 6844670, 8213604, 8800290, 10267005, 12320406, 13689340, 17600580, 20534010, 24640812, 30801015, 41068020, 61602030, 123204060]

約数ペア:

[(1, 123204060), (2, 61602030), (3, 41068020), (4, 30801015), (5, 24640812), (6, 20534010), (7, 17600580), (9, 13689340), (10, 12320406), (12, 10267005), (14, 8800290), (15, 8213604), (18, 6844670), (20, 6160203), (21, 5866860), (28, 4400145), (30, 4106802), (35, 3520116), (36, 3422335), (42, 2933430), (45, 2737868), (60, 2053401), (63, 1955620), (70, 1760058), (84, 1466715), (90, 1368934), (105, 1173372), (126, 977810), (140, 880029), (180, 684467), (210, 586686), (252, 488905), (277, 444780), (315, 391124), (353, 349020), (420, 293343), (554, 222390), (630, 195562), (706, 174510), (831, 148260), (1059, 116340), (1108, 111195), (1260, 97781), (1385, 88956), (1412, 87255), (1662, 74130), (1765, 69804), (1939, 63540), (2118, 58170), (2471, 49860), (2493, 49420), (2770, 44478), (3177, 38780), (3324, 37065), (3530, 34902), (3878, 31770), (4155, 29652), (4236, 29085), (4942, 24930), (4986, 24710), (5295, 23268), (5540, 22239), (5817, 21180), (6354, 19390), (7060, 17451), (7413, 16620), (7756, 15885), (8310, 14826), (9695, 12708), (9884, 12465), (9972, 12355), (10590, 11634)]