721840140

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4441}}^1$

素因数の和:4509

約数の個数: 192

約数和(自身を含む): 2626821120

約数和(自身を除く): 1904980980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 43, 45, 54, 60, 63, 70, 84, 86, 90, 105, 108, 126, 129, 135, 140, 172, 180, 189, 210, 215, 252, 258, 270, 301, 315, 378, 387, 420, 430, 516, 540, 602, 630, 645, 756, 774, 860, 903, 945, 1161, 1204, 1260, 1290, 1505, 1548, 1806, 1890, 1935, 2322, 2580, 2709, 3010, 3612, 3780, 3870, 4441, 4515, 4644, 5418, 5805, 6020, 7740, 8127, 8882, 9030, 10836, 11610, 13323, 13545, 16254, 17764, 18060, 22205, 23220, 26646, 27090, 31087, 32508, 39969, 40635, 44410, 53292, 54180, 62174, 66615, 79938, 81270, 88820, 93261, 119907, 124348, 133230, 155435, 159876, 162540, 186522, 190963, 199845, 239814, 266460, 279783, 310870, 373044, 381926, 399690, 466305, 479628, 559566, 572889, 599535, 621740, 763852, 799380, 839349, 932610, 954815, 1119132, 1145778, 1199070, 1336741, 1398915, 1678698, 1718667, 1865220, 1909630, 2291556, 2398140, 2673482, 2797830, 2864445, 3357396, 3437334, 3819260, 4010223, 4196745, 5156001, 5346964, 5595660, 5728890, 6683705, 6874668, 8020446, 8393490, 8593335, 10312002, 11457780, 12030669, 13367410, 16040892, 16786980, 17186670, 20051115, 20624004, 24061338, 25780005, 26734820, 34373340, 36092007, 40102230, 48122676, 51560010, 60153345, 72184014, 80204460, 103120020, 120306690, 144368028, 180460035, 240613380, 360920070, 721840140]

約数ペア:

[(1, 721840140), (2, 360920070), (3, 240613380), (4, 180460035), (5, 144368028), (6, 120306690), (7, 103120020), (9, 80204460), (10, 72184014), (12, 60153345), (14, 51560010), (15, 48122676), (18, 40102230), (20, 36092007), (21, 34373340), (27, 26734820), (28, 25780005), (30, 24061338), (35, 20624004), (36, 20051115), (42, 17186670), (43, 16786980), (45, 16040892), (54, 13367410), (60, 12030669), (63, 11457780), (70, 10312002), (84, 8593335), (86, 8393490), (90, 8020446), (105, 6874668), (108, 6683705), (126, 5728890), (129, 5595660), (135, 5346964), (140, 5156001), (172, 4196745), (180, 4010223), (189, 3819260), (210, 3437334), (215, 3357396), (252, 2864445), (258, 2797830), (270, 2673482), (301, 2398140), (315, 2291556), (378, 1909630), (387, 1865220), (420, 1718667), (430, 1678698), (516, 1398915), (540, 1336741), (602, 1199070), (630, 1145778), (645, 1119132), (756, 954815), (774, 932610), (860, 839349), (903, 799380), (945, 763852), (1161, 621740), (1204, 599535), (1260, 572889), (1290, 559566), (1505, 479628), (1548, 466305), (1806, 399690), (1890, 381926), (1935, 373044), (2322, 310870), (2580, 279783), (2709, 266460), (3010, 239814), (3612, 199845), (3780, 190963), (3870, 186522), (4441, 162540), (4515, 159876), (4644, 155435), (5418, 133230), (5805, 124348), (6020, 119907), (7740, 93261), (8127, 88820), (8882, 81270), (9030, 79938), (10836, 66615), (11610, 62174), (13323, 54180), (13545, 53292), (16254, 44410), (17764, 40635), (18060, 39969), (22205, 32508), (23220, 31087), (26646, 27090)]