131278140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2423}}^1$

素因数の和:2488

約数の個数: 144

約数和(自身を含む): 465873408

約数和(自身を除く): 334595268

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 60, 63, 70, 84, 86, 90, 105, 126, 129, 140, 172, 180, 210, 215, 252, 258, 301, 315, 387, 420, 430, 516, 602, 630, 645, 774, 860, 903, 1204, 1260, 1290, 1505, 1548, 1806, 1935, 2423, 2580, 2709, 3010, 3612, 3870, 4515, 4846, 5418, 6020, 7269, 7740, 9030, 9692, 10836, 12115, 13545, 14538, 16961, 18060, 21807, 24230, 27090, 29076, 33922, 36345, 43614, 48460, 50883, 54180, 67844, 72690, 84805, 87228, 101766, 104189, 109035, 145380, 152649, 169610, 203532, 208378, 218070, 254415, 305298, 312567, 339220, 416756, 436140, 508830, 520945, 610596, 625134, 729323, 763245, 937701, 1017660, 1041890, 1250268, 1458646, 1526490, 1562835, 1875402, 2083780, 2187969, 2917292, 3052980, 3125670, 3646615, 3750804, 4375938, 4688505, 6251340, 6563907, 7293230, 8751876, 9377010, 10939845, 13127814, 14586460, 18754020, 21879690, 26255628, 32819535, 43759380, 65639070, 131278140]

約数ペア:

[(1, 131278140), (2, 65639070), (3, 43759380), (4, 32819535), (5, 26255628), (6, 21879690), (7, 18754020), (9, 14586460), (10, 13127814), (12, 10939845), (14, 9377010), (15, 8751876), (18, 7293230), (20, 6563907), (21, 6251340), (28, 4688505), (30, 4375938), (35, 3750804), (36, 3646615), (42, 3125670), (43, 3052980), (45, 2917292), (60, 2187969), (63, 2083780), (70, 1875402), (84, 1562835), (86, 1526490), (90, 1458646), (105, 1250268), (126, 1041890), (129, 1017660), (140, 937701), (172, 763245), (180, 729323), (210, 625134), (215, 610596), (252, 520945), (258, 508830), (301, 436140), (315, 416756), (387, 339220), (420, 312567), (430, 305298), (516, 254415), (602, 218070), (630, 208378), (645, 203532), (774, 169610), (860, 152649), (903, 145380), (1204, 109035), (1260, 104189), (1290, 101766), (1505, 87228), (1548, 84805), (1806, 72690), (1935, 67844), (2423, 54180), (2580, 50883), (2709, 48460), (3010, 43614), (3612, 36345), (3870, 33922), (4515, 29076), (4846, 27090), (5418, 24230), (6020, 21807), (7269, 18060), (7740, 16961), (9030, 14538), (9692, 13545), (10836, 12115)]