15355487920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1789}}^1\times {\mathrm{3461}}^1$

素因数の和:5294

約数の個数: 80

約数和(自身を含む): 36884424960

約数和(自身を除く): 21528937040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 1789, 2480, 3461, 3578, 6922, 7156, 8945, 13844, 14312, 17305, 17890, 27688, 28624, 34610, 35780, 55376, 55459, 69220, 71560, 107291, 110918, 138440, 143120, 214582, 221836, 276880, 277295, 429164, 443672, 536455, 554590, 858328, 887344, 1072910, 1109180, 1716656, 2145820, 2218360, 4291640, 4436720, 6191729, 8583280, 12383458, 24766916, 30958645, 49533832, 61917290, 99067664, 123834580, 191943599, 247669160, 383887198, 495338320, 767774396, 959717995, 1535548792, 1919435990, 3071097584, 3838871980, 7677743960, 15355487920]

約数ペア:

[(1, 15355487920), (2, 7677743960), (4, 3838871980), (5, 3071097584), (8, 1919435990), (10, 1535548792), (16, 959717995), (20, 767774396), (31, 495338320), (40, 383887198), (62, 247669160), (80, 191943599), (124, 123834580), (155, 99067664), (248, 61917290), (310, 49533832), (496, 30958645), (620, 24766916), (1240, 12383458), (1789, 8583280), (2480, 6191729), (3461, 4436720), (3578, 4291640), (6922, 2218360), (7156, 2145820), (8945, 1716656), (13844, 1109180), (14312, 1072910), (17305, 887344), (17890, 858328), (27688, 554590), (28624, 536455), (34610, 443672), (35780, 429164), (55376, 277295), (55459, 276880), (69220, 221836), (71560, 214582), (107291, 143120), (110918, 138440)]