1887458560

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3659}}^1$

素因数の和:3724

約数の個数: 144

約数和(自身を含む): 5027258880

約数和(自身を除く): 3139800320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 320, 403, 416, 496, 520, 620, 640, 806, 832, 992, 1040, 1240, 1280, 1612, 1664, 1984, 2015, 2080, 2480, 3224, 3328, 3659, 3968, 4030, 4160, 4960, 6448, 7318, 7936, 8060, 8320, 9920, 12896, 14636, 16120, 16640, 18295, 19840, 25792, 29272, 32240, 36590, 39680, 47567, 51584, 58544, 64480, 73180, 95134, 103168, 113429, 117088, 128960, 146360, 190268, 226858, 234176, 237835, 257920, 292720, 380536, 453716, 468352, 475670, 515840, 567145, 585440, 761072, 907432, 936704, 951340, 1134290, 1170880, 1474577, 1522144, 1814864, 1902680, 2268580, 2341760, 2949154, 3044288, 3629728, 3805360, 4537160, 4683520, 5898308, 6088576, 7259456, 7372885, 7610720, 9074320, 11796616, 12177152, 14518912, 14745770, 15221440, 18148640, 23593232, 29037824, 29491540, 30442880, 36297280, 47186464, 58983080, 60885760, 72594560, 94372928, 117966160, 145189120, 188745856, 235932320, 377491712, 471864640, 943729280, 1887458560]

約数ペア:

[(1, 1887458560), (2, 943729280), (4, 471864640), (5, 377491712), (8, 235932320), (10, 188745856), (13, 145189120), (16, 117966160), (20, 94372928), (26, 72594560), (31, 60885760), (32, 58983080), (40, 47186464), (52, 36297280), (62, 30442880), (64, 29491540), (65, 29037824), (80, 23593232), (104, 18148640), (124, 15221440), (128, 14745770), (130, 14518912), (155, 12177152), (160, 11796616), (208, 9074320), (248, 7610720), (256, 7372885), (260, 7259456), (310, 6088576), (320, 5898308), (403, 4683520), (416, 4537160), (496, 3805360), (520, 3629728), (620, 3044288), (640, 2949154), (806, 2341760), (832, 2268580), (992, 1902680), (1040, 1814864), (1240, 1522144), (1280, 1474577), (1612, 1170880), (1664, 1134290), (1984, 951340), (2015, 936704), (2080, 907432), (2480, 761072), (3224, 585440), (3328, 567145), (3659, 515840), (3968, 475670), (4030, 468352), (4160, 453716), (4960, 380536), (6448, 292720), (7318, 257920), (7936, 237835), (8060, 234176), (8320, 226858), (9920, 190268), (12896, 146360), (14636, 128960), (16120, 117088), (16640, 113429), (18295, 103168), (19840, 95134), (25792, 73180), (29272, 64480), (32240, 58544), (36590, 51584), (39680, 47567)]