278704920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9403}}^1$

素因数の和:9449

約数の個数: 128

約数和(自身を含む): 947923200

約数和(自身を除く): 669218280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 95, 104, 114, 120, 130, 152, 156, 190, 195, 228, 247, 260, 285, 312, 380, 390, 456, 494, 520, 570, 741, 760, 780, 988, 1140, 1235, 1482, 1560, 1976, 2280, 2470, 2964, 3705, 4940, 5928, 7410, 9403, 9880, 14820, 18806, 28209, 29640, 37612, 47015, 56418, 75224, 94030, 112836, 122239, 141045, 178657, 188060, 225672, 244478, 282090, 357314, 366717, 376120, 488956, 535971, 564180, 611195, 714628, 733434, 893285, 977912, 1071942, 1128360, 1222390, 1429256, 1466868, 1786570, 1833585, 2143884, 2322541, 2444780, 2679855, 2933736, 3573140, 3667170, 4287768, 4645082, 4889560, 5359710, 6967623, 7146280, 7334340, 9290164, 10719420, 11612705, 13935246, 14668680, 18580328, 21438840, 23225410, 27870492, 34838115, 46450820, 55740984, 69676230, 92901640, 139352460, 278704920]

約数ペア:

[(1, 278704920), (2, 139352460), (3, 92901640), (4, 69676230), (5, 55740984), (6, 46450820), (8, 34838115), (10, 27870492), (12, 23225410), (13, 21438840), (15, 18580328), (19, 14668680), (20, 13935246), (24, 11612705), (26, 10719420), (30, 9290164), (38, 7334340), (39, 7146280), (40, 6967623), (52, 5359710), (57, 4889560), (60, 4645082), (65, 4287768), (76, 3667170), (78, 3573140), (95, 2933736), (104, 2679855), (114, 2444780), (120, 2322541), (130, 2143884), (152, 1833585), (156, 1786570), (190, 1466868), (195, 1429256), (228, 1222390), (247, 1128360), (260, 1071942), (285, 977912), (312, 893285), (380, 733434), (390, 714628), (456, 611195), (494, 564180), (520, 535971), (570, 488956), (741, 376120), (760, 366717), (780, 357314), (988, 282090), (1140, 244478), (1235, 225672), (1482, 188060), (1560, 178657), (1976, 141045), (2280, 122239), (2470, 112836), (2964, 94030), (3705, 75224), (4940, 56418), (5928, 47015), (7410, 37612), (9403, 29640), (9880, 28209), (14820, 18806)]