221335440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{397}}^1$

素因数の和:537

約数の個数: 160

約数和(自身を含む): 724882176

約数和(自身を除く): 503546736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 101, 115, 120, 138, 184, 202, 230, 240, 276, 303, 345, 368, 397, 404, 460, 505, 552, 606, 690, 794, 808, 920, 1010, 1104, 1191, 1212, 1380, 1515, 1588, 1616, 1840, 1985, 2020, 2323, 2382, 2424, 2760, 3030, 3176, 3970, 4040, 4646, 4764, 4848, 5520, 5955, 6060, 6352, 6969, 7940, 8080, 9131, 9292, 9528, 11615, 11910, 12120, 13938, 15880, 18262, 18584, 19056, 23230, 23820, 24240, 27393, 27876, 31760, 34845, 36524, 37168, 40097, 45655, 46460, 47640, 54786, 55752, 69690, 73048, 80194, 91310, 92920, 95280, 109572, 111504, 120291, 136965, 139380, 146096, 160388, 182620, 185840, 200485, 219144, 240582, 273930, 278760, 320776, 365240, 400970, 438288, 481164, 547860, 557520, 601455, 641552, 730480, 801940, 922231, 962328, 1095720, 1202910, 1603880, 1844462, 1924656, 2191440, 2405820, 2766693, 3207760, 3688924, 4611155, 4811640, 5533386, 7377848, 9222310, 9623280, 11066772, 13833465, 14755696, 18444620, 22133544, 27666930, 36889240, 44267088, 55333860, 73778480, 110667720, 221335440]

約数ペア:

[(1, 221335440), (2, 110667720), (3, 73778480), (4, 55333860), (5, 44267088), (6, 36889240), (8, 27666930), (10, 22133544), (12, 18444620), (15, 14755696), (16, 13833465), (20, 11066772), (23, 9623280), (24, 9222310), (30, 7377848), (40, 5533386), (46, 4811640), (48, 4611155), (60, 3688924), (69, 3207760), (80, 2766693), (92, 2405820), (101, 2191440), (115, 1924656), (120, 1844462), (138, 1603880), (184, 1202910), (202, 1095720), (230, 962328), (240, 922231), (276, 801940), (303, 730480), (345, 641552), (368, 601455), (397, 557520), (404, 547860), (460, 481164), (505, 438288), (552, 400970), (606, 365240), (690, 320776), (794, 278760), (808, 273930), (920, 240582), (1010, 219144), (1104, 200485), (1191, 185840), (1212, 182620), (1380, 160388), (1515, 146096), (1588, 139380), (1616, 136965), (1840, 120291), (1985, 111504), (2020, 109572), (2323, 95280), (2382, 92920), (2424, 91310), (2760, 80194), (3030, 73048), (3176, 69690), (3970, 55752), (4040, 54786), (4646, 47640), (4764, 46460), (4848, 45655), (5520, 40097), (5955, 37168), (6060, 36524), (6352, 34845), (6969, 31760), (7940, 27876), (8080, 27393), (9131, 24240), (9292, 23820), (9528, 23230), (11615, 19056), (11910, 18584), (12120, 18262), (13938, 15880)]