278902680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19531}}^1$

素因数の和:19569

約数の個数: 128

約数和(自身を含む): 1012538880

約数和(自身を除く): 733636200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1428, 1785, 2040, 2380, 2856, 3570, 4760, 7140, 14280, 19531, 39062, 58593, 78124, 97655, 117186, 136717, 156248, 195310, 234372, 273434, 292965, 332027, 390620, 410151, 468744, 546868, 585930, 664054, 683585, 781240, 820302, 996081, 1093736, 1171860, 1328108, 1367170, 1640604, 1660135, 1992162, 2050755, 2324189, 2343720, 2656216, 2734340, 3281208, 3320270, 3984324, 4101510, 4648378, 4980405, 5468680, 6640540, 6972567, 7968648, 8203020, 9296756, 9960810, 11620945, 13281080, 13945134, 16406040, 18593512, 19921620, 23241890, 27890268, 34862835, 39843240, 46483780, 55780536, 69725670, 92967560, 139451340, 278902680]

約数ペア:

[(1, 278902680), (2, 139451340), (3, 92967560), (4, 69725670), (5, 55780536), (6, 46483780), (7, 39843240), (8, 34862835), (10, 27890268), (12, 23241890), (14, 19921620), (15, 18593512), (17, 16406040), (20, 13945134), (21, 13281080), (24, 11620945), (28, 9960810), (30, 9296756), (34, 8203020), (35, 7968648), (40, 6972567), (42, 6640540), (51, 5468680), (56, 4980405), (60, 4648378), (68, 4101510), (70, 3984324), (84, 3320270), (85, 3281208), (102, 2734340), (105, 2656216), (119, 2343720), (120, 2324189), (136, 2050755), (140, 1992162), (168, 1660135), (170, 1640604), (204, 1367170), (210, 1328108), (238, 1171860), (255, 1093736), (280, 996081), (340, 820302), (357, 781240), (408, 683585), (420, 664054), (476, 585930), (510, 546868), (595, 468744), (680, 410151), (714, 390620), (840, 332027), (952, 292965), (1020, 273434), (1190, 234372), (1428, 195310), (1785, 156248), (2040, 136717), (2380, 117186), (2856, 97655), (3570, 78124), (4760, 58593), (7140, 39062), (14280, 19531)]