7220920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:113

約数の個数: 128

約数和(自身を含む): 20684160

約数和(自身を除く): 13463240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 37, 40, 41, 56, 68, 70, 74, 82, 85, 119, 136, 140, 148, 164, 170, 185, 205, 238, 259, 280, 287, 296, 328, 340, 370, 410, 476, 518, 574, 595, 629, 680, 697, 740, 820, 952, 1036, 1148, 1190, 1258, 1295, 1394, 1435, 1480, 1517, 1640, 2072, 2296, 2380, 2516, 2590, 2788, 2870, 3034, 3145, 3485, 4403, 4760, 4879, 5032, 5180, 5576, 5740, 6068, 6290, 6970, 7585, 8806, 9758, 10360, 10619, 11480, 12136, 12580, 13940, 15170, 17612, 19516, 21238, 22015, 24395, 25160, 25789, 27880, 30340, 35224, 39032, 42476, 44030, 48790, 51578, 53095, 60680, 84952, 88060, 97580, 103156, 106190, 128945, 176120, 180523, 195160, 206312, 212380, 257890, 361046, 424760, 515780, 722092, 902615, 1031560, 1444184, 1805230, 3610460, 7220920]

約数ペア:

[(1, 7220920), (2, 3610460), (4, 1805230), (5, 1444184), (7, 1031560), (8, 902615), (10, 722092), (14, 515780), (17, 424760), (20, 361046), (28, 257890), (34, 212380), (35, 206312), (37, 195160), (40, 180523), (41, 176120), (56, 128945), (68, 106190), (70, 103156), (74, 97580), (82, 88060), (85, 84952), (119, 60680), (136, 53095), (140, 51578), (148, 48790), (164, 44030), (170, 42476), (185, 39032), (205, 35224), (238, 30340), (259, 27880), (280, 25789), (287, 25160), (296, 24395), (328, 22015), (340, 21238), (370, 19516), (410, 17612), (476, 15170), (518, 13940), (574, 12580), (595, 12136), (629, 11480), (680, 10619), (697, 10360), (740, 9758), (820, 8806), (952, 7585), (1036, 6970), (1148, 6290), (1190, 6068), (1258, 5740), (1295, 5576), (1394, 5180), (1435, 5032), (1480, 4879), (1517, 4760), (1640, 4403), (2072, 3485), (2296, 3145), (2380, 3034), (2516, 2870), (2590, 2788)]