30730920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{751}}^1$

素因数の和:807

約数の個数: 128

約数和(自身を含む): 103956480

約数和(自身を除く): 73225560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 31, 33, 40, 44, 55, 60, 62, 66, 88, 93, 110, 120, 124, 132, 155, 165, 186, 220, 248, 264, 310, 330, 341, 372, 440, 465, 620, 660, 682, 744, 751, 930, 1023, 1240, 1320, 1364, 1502, 1705, 1860, 2046, 2253, 2728, 3004, 3410, 3720, 3755, 4092, 4506, 5115, 6008, 6820, 7510, 8184, 8261, 9012, 10230, 11265, 13640, 15020, 16522, 18024, 20460, 22530, 23281, 24783, 30040, 33044, 40920, 41305, 45060, 46562, 49566, 66088, 69843, 82610, 90120, 93124, 99132, 116405, 123915, 139686, 165220, 186248, 198264, 232810, 247830, 256091, 279372, 330440, 349215, 465620, 495660, 512182, 558744, 698430, 768273, 931240, 991320, 1024364, 1280455, 1396860, 1536546, 2048728, 2560910, 2793720, 3073092, 3841365, 5121820, 6146184, 7682730, 10243640, 15365460, 30730920]

約数ペア:

[(1, 30730920), (2, 15365460), (3, 10243640), (4, 7682730), (5, 6146184), (6, 5121820), (8, 3841365), (10, 3073092), (11, 2793720), (12, 2560910), (15, 2048728), (20, 1536546), (22, 1396860), (24, 1280455), (30, 1024364), (31, 991320), (33, 931240), (40, 768273), (44, 698430), (55, 558744), (60, 512182), (62, 495660), (66, 465620), (88, 349215), (93, 330440), (110, 279372), (120, 256091), (124, 247830), (132, 232810), (155, 198264), (165, 186248), (186, 165220), (220, 139686), (248, 123915), (264, 116405), (310, 99132), (330, 93124), (341, 90120), (372, 82610), (440, 69843), (465, 66088), (620, 49566), (660, 46562), (682, 45060), (744, 41305), (751, 40920), (930, 33044), (1023, 30040), (1240, 24783), (1320, 23281), (1364, 22530), (1502, 20460), (1705, 18024), (1860, 16522), (2046, 15020), (2253, 13640), (2728, 11265), (3004, 10230), (3410, 9012), (3720, 8261), (3755, 8184), (4092, 7510), (4506, 6820), (5115, 6008)]