54778240

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:312

約数の個数: 128

約数和(自身を含む): 148055040

約数和(自身を除く): 93276800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 251, 310, 320, 341, 352, 440, 496, 502, 620, 640, 682, 704, 880, 992, 1004, 1240, 1255, 1364, 1408, 1705, 1760, 1984, 2008, 2480, 2510, 2728, 2761, 3410, 3520, 3968, 4016, 4960, 5020, 5456, 5522, 6820, 7040, 7781, 8032, 9920, 10040, 10912, 11044, 13640, 13805, 15562, 16064, 19840, 20080, 21824, 22088, 27280, 27610, 31124, 32128, 38905, 40160, 43648, 44176, 54560, 55220, 62248, 77810, 80320, 85591, 88352, 109120, 110440, 124496, 155620, 160640, 171182, 176704, 218240, 220880, 248992, 311240, 342364, 353408, 427955, 441760, 497984, 622480, 684728, 855910, 883520, 995968, 1244960, 1369456, 1711820, 1767040, 2489920, 2738912, 3423640, 4979840, 5477824, 6847280, 10955648, 13694560, 27389120, 54778240]

約数ペア:

[(1, 54778240), (2, 27389120), (4, 13694560), (5, 10955648), (8, 6847280), (10, 5477824), (11, 4979840), (16, 3423640), (20, 2738912), (22, 2489920), (31, 1767040), (32, 1711820), (40, 1369456), (44, 1244960), (55, 995968), (62, 883520), (64, 855910), (80, 684728), (88, 622480), (110, 497984), (124, 441760), (128, 427955), (155, 353408), (160, 342364), (176, 311240), (220, 248992), (248, 220880), (251, 218240), (310, 176704), (320, 171182), (341, 160640), (352, 155620), (440, 124496), (496, 110440), (502, 109120), (620, 88352), (640, 85591), (682, 80320), (704, 77810), (880, 62248), (992, 55220), (1004, 54560), (1240, 44176), (1255, 43648), (1364, 40160), (1408, 38905), (1705, 32128), (1760, 31124), (1984, 27610), (2008, 27280), (2480, 22088), (2510, 21824), (2728, 20080), (2761, 19840), (3410, 16064), (3520, 15562), (3968, 13805), (4016, 13640), (4960, 11044), (5020, 10912), (5456, 10040), (5522, 9920), (6820, 8032), (7040, 7781)]