1780590168

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61981}}^1$

素因数の和:62022

約数の個数: 128

約数和(自身を含む): 5950272000

約数和(自身を除く): 4169681832

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 27, 28, 36, 38, 42, 54, 56, 57, 63, 72, 76, 84, 108, 114, 126, 133, 152, 168, 171, 189, 216, 228, 252, 266, 342, 378, 399, 456, 504, 513, 532, 684, 756, 798, 1026, 1064, 1197, 1368, 1512, 1596, 2052, 2394, 3192, 3591, 4104, 4788, 7182, 9576, 14364, 28728, 61981, 123962, 185943, 247924, 371886, 433867, 495848, 557829, 743772, 867734, 1115658, 1177639, 1301601, 1487544, 1673487, 1735468, 2231316, 2355278, 2603202, 3346974, 3470936, 3532917, 3904803, 4462632, 4710556, 5206404, 6693948, 7065834, 7809606, 8243473, 9421112, 10412808, 10598751, 11714409, 13387896, 14131668, 15619212, 16486946, 21197502, 23428818, 24730419, 28263336, 31238424, 31796253, 32973892, 42395004, 46857636, 49460838, 63592506, 65947784, 74191257, 84790008, 93715272, 98921676, 127185012, 148382514, 197843352, 222573771, 254370024, 296765028, 445147542, 593530056, 890295084, 1780590168]

約数ペア:

[(1, 1780590168), (2, 890295084), (3, 593530056), (4, 445147542), (6, 296765028), (7, 254370024), (8, 222573771), (9, 197843352), (12, 148382514), (14, 127185012), (18, 98921676), (19, 93715272), (21, 84790008), (24, 74191257), (27, 65947784), (28, 63592506), (36, 49460838), (38, 46857636), (42, 42395004), (54, 32973892), (56, 31796253), (57, 31238424), (63, 28263336), (72, 24730419), (76, 23428818), (84, 21197502), (108, 16486946), (114, 15619212), (126, 14131668), (133, 13387896), (152, 11714409), (168, 10598751), (171, 10412808), (189, 9421112), (216, 8243473), (228, 7809606), (252, 7065834), (266, 6693948), (342, 5206404), (378, 4710556), (399, 4462632), (456, 3904803), (504, 3532917), (513, 3470936), (532, 3346974), (684, 2603202), (756, 2355278), (798, 2231316), (1026, 1735468), (1064, 1673487), (1197, 1487544), (1368, 1301601), (1512, 1177639), (1596, 1115658), (2052, 867734), (2394, 743772), (3192, 557829), (3591, 495848), (4104, 433867), (4788, 371886), (7182, 247924), (9576, 185943), (14364, 123962), (28728, 61981)]