56430920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{419}}^1$

素因数の和:487

約数の個数: 128

約数和(自身を含む): 160876800

約数和(自身を除く): 104445880

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 37, 40, 52, 56, 65, 70, 74, 91, 104, 130, 140, 148, 182, 185, 259, 260, 280, 296, 364, 370, 419, 455, 481, 518, 520, 728, 740, 838, 910, 962, 1036, 1295, 1480, 1676, 1820, 1924, 2072, 2095, 2405, 2590, 2933, 3352, 3367, 3640, 3848, 4190, 4810, 5180, 5447, 5866, 6734, 8380, 9620, 10360, 10894, 11732, 13468, 14665, 15503, 16760, 16835, 19240, 21788, 23464, 26936, 27235, 29330, 31006, 33670, 38129, 43576, 54470, 58660, 62012, 67340, 76258, 77515, 108521, 108940, 117320, 124024, 134680, 152516, 155030, 190645, 201539, 217042, 217880, 305032, 310060, 381290, 403078, 434084, 542605, 620120, 762580, 806156, 868168, 1007695, 1085210, 1410773, 1525160, 1612312, 2015390, 2170420, 2821546, 4030780, 4340840, 5643092, 7053865, 8061560, 11286184, 14107730, 28215460, 56430920]

約数ペア:

[(1, 56430920), (2, 28215460), (4, 14107730), (5, 11286184), (7, 8061560), (8, 7053865), (10, 5643092), (13, 4340840), (14, 4030780), (20, 2821546), (26, 2170420), (28, 2015390), (35, 1612312), (37, 1525160), (40, 1410773), (52, 1085210), (56, 1007695), (65, 868168), (70, 806156), (74, 762580), (91, 620120), (104, 542605), (130, 434084), (140, 403078), (148, 381290), (182, 310060), (185, 305032), (259, 217880), (260, 217042), (280, 201539), (296, 190645), (364, 155030), (370, 152516), (419, 134680), (455, 124024), (481, 117320), (518, 108940), (520, 108521), (728, 77515), (740, 76258), (838, 67340), (910, 62012), (962, 58660), (1036, 54470), (1295, 43576), (1480, 38129), (1676, 33670), (1820, 31006), (1924, 29330), (2072, 27235), (2095, 26936), (2405, 23464), (2590, 21788), (2933, 19240), (3352, 16835), (3367, 16760), (3640, 15503), (3848, 14665), (4190, 13468), (4810, 11732), (5180, 10894), (5447, 10360), (5866, 9620), (6734, 8380)]