2131036720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{53}}^1\times {\mathrm{523}}^1$

素因数の和:651

約数の個数: 120

約数和(自身を含む): 5226214608

約数和(自身を除く): 3095177888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 53, 62, 80, 106, 124, 155, 212, 248, 265, 310, 424, 496, 523, 530, 620, 848, 961, 1046, 1060, 1240, 1643, 1922, 2092, 2120, 2480, 2615, 3286, 3844, 4184, 4240, 4805, 5230, 6572, 7688, 8215, 8368, 9610, 10460, 13144, 15376, 16213, 16430, 19220, 20920, 26288, 27719, 32426, 32860, 38440, 41840, 50933, 55438, 64852, 65720, 76880, 81065, 101866, 110876, 129704, 131440, 138595, 162130, 203732, 221752, 254665, 259408, 277190, 324260, 407464, 443504, 502603, 509330, 554380, 648520, 814928, 859289, 1005206, 1018660, 1108760, 1297040, 1718578, 2010412, 2037320, 2217520, 2513015, 3437156, 4020824, 4074640, 4296445, 5026030, 6874312, 8041648, 8592890, 10052060, 13748624, 17185780, 20104120, 26637959, 34371560, 40208240, 53275918, 68743120, 106551836, 133189795, 213103672, 266379590, 426207344, 532759180, 1065518360, 2131036720]

約数ペア:

[(1, 2131036720), (2, 1065518360), (4, 532759180), (5, 426207344), (8, 266379590), (10, 213103672), (16, 133189795), (20, 106551836), (31, 68743120), (40, 53275918), (53, 40208240), (62, 34371560), (80, 26637959), (106, 20104120), (124, 17185780), (155, 13748624), (212, 10052060), (248, 8592890), (265, 8041648), (310, 6874312), (424, 5026030), (496, 4296445), (523, 4074640), (530, 4020824), (620, 3437156), (848, 2513015), (961, 2217520), (1046, 2037320), (1060, 2010412), (1240, 1718578), (1643, 1297040), (1922, 1108760), (2092, 1018660), (2120, 1005206), (2480, 859289), (2615, 814928), (3286, 648520), (3844, 554380), (4184, 509330), (4240, 502603), (4805, 443504), (5230, 407464), (6572, 324260), (7688, 277190), (8215, 259408), (8368, 254665), (9610, 221752), (10460, 203732), (13144, 162130), (15376, 138595), (16213, 131440), (16430, 129704), (19220, 110876), (20920, 101866), (26288, 81065), (27719, 76880), (32426, 65720), (32860, 64852), (38440, 55438), (41840, 50933)]