1564360720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{281}}^1$

素因数の和:461

約数の個数: 160

約数和(自身を含む): 4044678624

約数和(自身を除く): 2480317904

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 53, 65, 80, 101, 104, 106, 130, 202, 208, 212, 260, 265, 281, 404, 424, 505, 520, 530, 562, 689, 808, 848, 1010, 1040, 1060, 1124, 1313, 1378, 1405, 1616, 2020, 2120, 2248, 2626, 2756, 2810, 3445, 3653, 4040, 4240, 4496, 5252, 5353, 5512, 5620, 6565, 6890, 7306, 8080, 10504, 10706, 11024, 11240, 13130, 13780, 14612, 14893, 18265, 21008, 21412, 22480, 26260, 26765, 27560, 28381, 29224, 29786, 36530, 42824, 52520, 53530, 55120, 56762, 58448, 59572, 69589, 73060, 74465, 85648, 105040, 107060, 113524, 119144, 139178, 141905, 146120, 148930, 193609, 214120, 227048, 238288, 278356, 283810, 292240, 297860, 347945, 368953, 387218, 428240, 454096, 556712, 567620, 595720, 695890, 737906, 774436, 968045, 1113424, 1135240, 1191440, 1391780, 1475812, 1504193, 1548872, 1844765, 1936090, 2270480, 2783560, 2951624, 3008386, 3097744, 3689530, 3872180, 5567120, 5903248, 6016772, 7379060, 7520965, 7744360, 12033544, 14758120, 15041930, 15488720, 19554509, 24067088, 29516240, 30083860, 39109018, 60167720, 78218036, 97772545, 120335440, 156436072, 195545090, 312872144, 391090180, 782180360, 1564360720]

約数ペア:

[(1, 1564360720), (2, 782180360), (4, 391090180), (5, 312872144), (8, 195545090), (10, 156436072), (13, 120335440), (16, 97772545), (20, 78218036), (26, 60167720), (40, 39109018), (52, 30083860), (53, 29516240), (65, 24067088), (80, 19554509), (101, 15488720), (104, 15041930), (106, 14758120), (130, 12033544), (202, 7744360), (208, 7520965), (212, 7379060), (260, 6016772), (265, 5903248), (281, 5567120), (404, 3872180), (424, 3689530), (505, 3097744), (520, 3008386), (530, 2951624), (562, 2783560), (689, 2270480), (808, 1936090), (848, 1844765), (1010, 1548872), (1040, 1504193), (1060, 1475812), (1124, 1391780), (1313, 1191440), (1378, 1135240), (1405, 1113424), (1616, 968045), (2020, 774436), (2120, 737906), (2248, 695890), (2626, 595720), (2756, 567620), (2810, 556712), (3445, 454096), (3653, 428240), (4040, 387218), (4240, 368953), (4496, 347945), (5252, 297860), (5353, 292240), (5512, 283810), (5620, 278356), (6565, 238288), (6890, 227048), (7306, 214120), (8080, 193609), (10504, 148930), (10706, 146120), (11024, 141905), (11240, 139178), (13130, 119144), (13780, 113524), (14612, 107060), (14893, 105040), (18265, 85648), (21008, 74465), (21412, 73060), (22480, 69589), (26260, 59572), (26765, 58448), (27560, 56762), (28381, 55120), (29224, 53530), (29786, 52520), (36530, 42824)]