25506540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:200

約数の個数: 144

約数和(自身を含む): 82869696

約数和(自身を除く): 57363156

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 61, 69, 90, 92, 101, 115, 122, 138, 180, 183, 202, 207, 230, 244, 276, 303, 305, 345, 366, 404, 414, 460, 505, 549, 606, 610, 690, 732, 828, 909, 915, 1010, 1035, 1098, 1212, 1220, 1380, 1403, 1515, 1818, 1830, 2020, 2070, 2196, 2323, 2745, 2806, 3030, 3636, 3660, 4140, 4209, 4545, 4646, 5490, 5612, 6060, 6161, 6969, 7015, 8418, 9090, 9292, 10980, 11615, 12322, 12627, 13938, 14030, 16836, 18180, 18483, 20907, 21045, 23230, 24644, 25254, 27876, 28060, 30805, 34845, 36966, 41814, 42090, 46460, 50508, 55449, 61610, 63135, 69690, 73932, 83628, 84180, 92415, 104535, 110898, 123220, 126270, 139380, 141703, 184830, 209070, 221796, 252540, 277245, 283406, 369660, 418140, 425109, 554490, 566812, 708515, 850218, 1108980, 1275327, 1417030, 1700436, 2125545, 2550654, 2834060, 4251090, 5101308, 6376635, 8502180, 12753270, 25506540]

約数ペア:

[(1, 25506540), (2, 12753270), (3, 8502180), (4, 6376635), (5, 5101308), (6, 4251090), (9, 2834060), (10, 2550654), (12, 2125545), (15, 1700436), (18, 1417030), (20, 1275327), (23, 1108980), (30, 850218), (36, 708515), (45, 566812), (46, 554490), (60, 425109), (61, 418140), (69, 369660), (90, 283406), (92, 277245), (101, 252540), (115, 221796), (122, 209070), (138, 184830), (180, 141703), (183, 139380), (202, 126270), (207, 123220), (230, 110898), (244, 104535), (276, 92415), (303, 84180), (305, 83628), (345, 73932), (366, 69690), (404, 63135), (414, 61610), (460, 55449), (505, 50508), (549, 46460), (606, 42090), (610, 41814), (690, 36966), (732, 34845), (828, 30805), (909, 28060), (915, 27876), (1010, 25254), (1035, 24644), (1098, 23230), (1212, 21045), (1220, 20907), (1380, 18483), (1403, 18180), (1515, 16836), (1818, 14030), (1830, 13938), (2020, 12627), (2070, 12322), (2196, 11615), (2323, 10980), (2745, 9292), (2806, 9090), (3030, 8418), (3636, 7015), (3660, 6969), (4140, 6161), (4209, 6060), (4545, 5612), (4646, 5490)]