123115020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:480

約数の個数: 192

約数和(自身を含む): 427908096

約数和(自身を除く): 304793076

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 43, 51, 60, 68, 70, 84, 85, 86, 102, 105, 119, 129, 140, 170, 172, 204, 210, 215, 238, 255, 258, 301, 340, 357, 401, 420, 430, 476, 510, 516, 595, 602, 645, 714, 731, 802, 860, 903, 1020, 1190, 1203, 1204, 1290, 1428, 1462, 1505, 1604, 1785, 1806, 2005, 2193, 2380, 2406, 2580, 2807, 2924, 3010, 3570, 3612, 3655, 4010, 4386, 4515, 4812, 5117, 5614, 6015, 6020, 6817, 7140, 7310, 8020, 8421, 8772, 9030, 10234, 10965, 11228, 12030, 13634, 14035, 14620, 15351, 16842, 17243, 18060, 20451, 20468, 21930, 24060, 25585, 27268, 28070, 30702, 33684, 34085, 34486, 40902, 42105, 43860, 47719, 51170, 51729, 56140, 61404, 68170, 68972, 76755, 81804, 84210, 86215, 95438, 102255, 102340, 103458, 120701, 136340, 143157, 153510, 168420, 172430, 190876, 204510, 206916, 238595, 241402, 258645, 286314, 293131, 307020, 344860, 362103, 409020, 477190, 482804, 517290, 572628, 586262, 603505, 715785, 724206, 879393, 954380, 1034580, 1172524, 1207010, 1431570, 1448412, 1465655, 1758786, 1810515, 2051917, 2414020, 2863140, 2931310, 3517572, 3621030, 4103834, 4396965, 5862620, 6155751, 7242060, 8207668, 8793930, 10259585, 12311502, 17587860, 20519170, 24623004, 30778755, 41038340, 61557510, 123115020]

約数ペア:

[(1, 123115020), (2, 61557510), (3, 41038340), (4, 30778755), (5, 24623004), (6, 20519170), (7, 17587860), (10, 12311502), (12, 10259585), (14, 8793930), (15, 8207668), (17, 7242060), (20, 6155751), (21, 5862620), (28, 4396965), (30, 4103834), (34, 3621030), (35, 3517572), (42, 2931310), (43, 2863140), (51, 2414020), (60, 2051917), (68, 1810515), (70, 1758786), (84, 1465655), (85, 1448412), (86, 1431570), (102, 1207010), (105, 1172524), (119, 1034580), (129, 954380), (140, 879393), (170, 724206), (172, 715785), (204, 603505), (210, 586262), (215, 572628), (238, 517290), (255, 482804), (258, 477190), (301, 409020), (340, 362103), (357, 344860), (401, 307020), (420, 293131), (430, 286314), (476, 258645), (510, 241402), (516, 238595), (595, 206916), (602, 204510), (645, 190876), (714, 172430), (731, 168420), (802, 153510), (860, 143157), (903, 136340), (1020, 120701), (1190, 103458), (1203, 102340), (1204, 102255), (1290, 95438), (1428, 86215), (1462, 84210), (1505, 81804), (1604, 76755), (1785, 68972), (1806, 68170), (2005, 61404), (2193, 56140), (2380, 51729), (2406, 51170), (2580, 47719), (2807, 43860), (2924, 42105), (3010, 40902), (3570, 34486), (3612, 34085), (3655, 33684), (4010, 30702), (4386, 28070), (4515, 27268), (4812, 25585), (5117, 24060), (5614, 21930), (6015, 20468), (6020, 20451), (6817, 18060), (7140, 17243), (7310, 16842), (8020, 15351), (8421, 14620), (8772, 14035), (9030, 13634), (10234, 12030), (10965, 11228)]