748728120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{28753}}^1$

素因数の和:28805

約数の個数: 128

約数和(自身を含む): 2649968640

約数和(自身を除く): 1901240520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3255, 3720, 4340, 5208, 6510, 8680, 13020, 26040, 28753, 57506, 86259, 115012, 143765, 172518, 201271, 230024, 287530, 345036, 402542, 431295, 575060, 603813, 690072, 805084, 862590, 891343, 1006355, 1150120, 1207626, 1610168, 1725180, 1782686, 2012710, 2415252, 2674029, 3019065, 3450360, 3565372, 4025420, 4456715, 4830504, 5348058, 6038130, 6239401, 7130744, 8050840, 8913430, 10696116, 12076260, 12478802, 13370145, 17826860, 18718203, 21392232, 24152520, 24957604, 26740290, 31197005, 35653720, 37436406, 49915208, 53480580, 62394010, 74872812, 93591015, 106961160, 124788020, 149745624, 187182030, 249576040, 374364060, 748728120]

約数ペア:

[(1, 748728120), (2, 374364060), (3, 249576040), (4, 187182030), (5, 149745624), (6, 124788020), (7, 106961160), (8, 93591015), (10, 74872812), (12, 62394010), (14, 53480580), (15, 49915208), (20, 37436406), (21, 35653720), (24, 31197005), (28, 26740290), (30, 24957604), (31, 24152520), (35, 21392232), (40, 18718203), (42, 17826860), (56, 13370145), (60, 12478802), (62, 12076260), (70, 10696116), (84, 8913430), (93, 8050840), (105, 7130744), (120, 6239401), (124, 6038130), (140, 5348058), (155, 4830504), (168, 4456715), (186, 4025420), (210, 3565372), (217, 3450360), (248, 3019065), (280, 2674029), (310, 2415252), (372, 2012710), (420, 1782686), (434, 1725180), (465, 1610168), (620, 1207626), (651, 1150120), (744, 1006355), (840, 891343), (868, 862590), (930, 805084), (1085, 690072), (1240, 603813), (1302, 575060), (1736, 431295), (1860, 402542), (2170, 345036), (2604, 287530), (3255, 230024), (3720, 201271), (4340, 172518), (5208, 143765), (6510, 115012), (8680, 86259), (13020, 57506), (26040, 28753)]