40719420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1901}}^1$

素因数の和:1940

約数の個数: 144

約数和(自身を含む): 149542848

約数和(自身を除く): 108823428

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 1901, 2142, 2380, 3060, 3570, 3802, 4284, 5355, 5703, 7140, 7604, 9505, 10710, 11406, 13307, 17109, 19010, 21420, 22812, 26614, 28515, 32317, 34218, 38020, 39921, 53228, 57030, 64634, 66535, 68436, 79842, 85545, 96951, 114060, 119763, 129268, 133070, 159684, 161585, 171090, 193902, 199605, 226219, 239526, 266140, 290853, 323170, 342180, 387804, 399210, 452438, 479052, 484755, 581706, 598815, 646340, 678657, 798420, 904876, 969510, 1131095, 1163412, 1197630, 1357314, 1454265, 1939020, 2035971, 2262190, 2395260, 2714628, 2908530, 3393285, 4071942, 4524380, 5817060, 6786570, 8143884, 10179855, 13573140, 20359710, 40719420]

約数ペア:

[(1, 40719420), (2, 20359710), (3, 13573140), (4, 10179855), (5, 8143884), (6, 6786570), (7, 5817060), (9, 4524380), (10, 4071942), (12, 3393285), (14, 2908530), (15, 2714628), (17, 2395260), (18, 2262190), (20, 2035971), (21, 1939020), (28, 1454265), (30, 1357314), (34, 1197630), (35, 1163412), (36, 1131095), (42, 969510), (45, 904876), (51, 798420), (60, 678657), (63, 646340), (68, 598815), (70, 581706), (84, 484755), (85, 479052), (90, 452438), (102, 399210), (105, 387804), (119, 342180), (126, 323170), (140, 290853), (153, 266140), (170, 239526), (180, 226219), (204, 199605), (210, 193902), (238, 171090), (252, 161585), (255, 159684), (306, 133070), (315, 129268), (340, 119763), (357, 114060), (420, 96951), (476, 85545), (510, 79842), (595, 68436), (612, 66535), (630, 64634), (714, 57030), (765, 53228), (1020, 39921), (1071, 38020), (1190, 34218), (1260, 32317), (1428, 28515), (1530, 26614), (1785, 22812), (1901, 21420), (2142, 19010), (2380, 17109), (3060, 13307), (3570, 11406), (3802, 10710), (4284, 9505), (5355, 7604), (5703, 7140)]