219980280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6131}}^1$

素因数の和:6181

約数の個数: 128

約数和(自身を含む): 741726720

約数和(自身を除く): 521746440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 156, 184, 195, 230, 260, 276, 299, 312, 345, 390, 460, 520, 552, 598, 690, 780, 897, 920, 1196, 1380, 1495, 1560, 1794, 2392, 2760, 2990, 3588, 4485, 5980, 6131, 7176, 8970, 11960, 12262, 17940, 18393, 24524, 30655, 35880, 36786, 49048, 61310, 73572, 79703, 91965, 122620, 141013, 147144, 159406, 183930, 239109, 245240, 282026, 318812, 367860, 398515, 423039, 478218, 564052, 637624, 705065, 735720, 797030, 846078, 956436, 1128104, 1195545, 1410130, 1594060, 1692156, 1833169, 1912872, 2115195, 2391090, 2820260, 3188120, 3384312, 3666338, 4230390, 4782180, 5499507, 5640520, 7332676, 8460780, 9165845, 9564360, 10999014, 14665352, 16921560, 18331690, 21998028, 27497535, 36663380, 43996056, 54995070, 73326760, 109990140, 219980280]

約数ペア:

[(1, 219980280), (2, 109990140), (3, 73326760), (4, 54995070), (5, 43996056), (6, 36663380), (8, 27497535), (10, 21998028), (12, 18331690), (13, 16921560), (15, 14665352), (20, 10999014), (23, 9564360), (24, 9165845), (26, 8460780), (30, 7332676), (39, 5640520), (40, 5499507), (46, 4782180), (52, 4230390), (60, 3666338), (65, 3384312), (69, 3188120), (78, 2820260), (92, 2391090), (104, 2115195), (115, 1912872), (120, 1833169), (130, 1692156), (138, 1594060), (156, 1410130), (184, 1195545), (195, 1128104), (230, 956436), (260, 846078), (276, 797030), (299, 735720), (312, 705065), (345, 637624), (390, 564052), (460, 478218), (520, 423039), (552, 398515), (598, 367860), (690, 318812), (780, 282026), (897, 245240), (920, 239109), (1196, 183930), (1380, 159406), (1495, 147144), (1560, 141013), (1794, 122620), (2392, 91965), (2760, 79703), (2990, 73572), (3588, 61310), (4485, 49048), (5980, 36786), (6131, 35880), (7176, 30655), (8970, 24524), (11960, 18393), (12262, 17940)]