31219020

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{2753}}^1$

素因数の和:2781

約数の個数: 120

約数和(自身を含む): 111966624

約数和(自身を除く): 80747604

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2753, 2835, 3780, 5506, 5670, 8259, 11012, 11340, 13765, 16518, 19271, 24777, 27530, 33036, 38542, 41295, 49554, 55060, 57813, 74331, 77084, 82590, 96355, 99108, 115626, 123885, 148662, 165180, 173439, 192710, 222993, 231252, 247770, 289065, 297324, 346878, 371655, 385420, 445986, 495540, 520317, 578130, 693756, 743310, 867195, 891972, 1040634, 1114965, 1156260, 1486620, 1560951, 1734390, 2081268, 2229930, 2601585, 3121902, 3468780, 4459860, 5203170, 6243804, 7804755, 10406340, 15609510, 31219020]

約数ペア:

[(1, 31219020), (2, 15609510), (3, 10406340), (4, 7804755), (5, 6243804), (6, 5203170), (7, 4459860), (9, 3468780), (10, 3121902), (12, 2601585), (14, 2229930), (15, 2081268), (18, 1734390), (20, 1560951), (21, 1486620), (27, 1156260), (28, 1114965), (30, 1040634), (35, 891972), (36, 867195), (42, 743310), (45, 693756), (54, 578130), (60, 520317), (63, 495540), (70, 445986), (81, 385420), (84, 371655), (90, 346878), (105, 297324), (108, 289065), (126, 247770), (135, 231252), (140, 222993), (162, 192710), (180, 173439), (189, 165180), (210, 148662), (252, 123885), (270, 115626), (315, 99108), (324, 96355), (378, 82590), (405, 77084), (420, 74331), (540, 57813), (567, 55060), (630, 49554), (756, 41295), (810, 38542), (945, 33036), (1134, 27530), (1260, 24777), (1620, 19271), (1890, 16518), (2268, 13765), (2753, 11340), (2835, 11012), (3780, 8259), (5506, 5670)]