408894720

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8191}}^1$

素因数の和:8228

約数の個数: 144

約数和(自身を含む): 1406533632

約数和(自身を除く): 997638912

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 768, 780, 832, 960, 1040, 1248, 1280, 1560, 1664, 1920, 2080, 2496, 3120, 3328, 3840, 4160, 4992, 6240, 8191, 8320, 9984, 12480, 16382, 16640, 24573, 24960, 32764, 40955, 49146, 49920, 65528, 81910, 98292, 106483, 122865, 131056, 163820, 196584, 212966, 245730, 262112, 319449, 327640, 393168, 425932, 491460, 524224, 532415, 638898, 655280, 786336, 851864, 982920, 1048448, 1064830, 1277796, 1310560, 1572672, 1597245, 1703728, 1965840, 2096896, 2129660, 2555592, 2621120, 3145344, 3194490, 3407456, 3931680, 4259320, 5111184, 5242240, 6290688, 6388980, 6814912, 7863360, 8518640, 10222368, 10484480, 12777960, 13629824, 15726720, 17037280, 20444736, 25555920, 27259648, 31453440, 34074560, 40889472, 51111840, 68149120, 81778944, 102223680, 136298240, 204447360, 408894720]

約数ペア:

[(1, 408894720), (2, 204447360), (3, 136298240), (4, 102223680), (5, 81778944), (6, 68149120), (8, 51111840), (10, 40889472), (12, 34074560), (13, 31453440), (15, 27259648), (16, 25555920), (20, 20444736), (24, 17037280), (26, 15726720), (30, 13629824), (32, 12777960), (39, 10484480), (40, 10222368), (48, 8518640), (52, 7863360), (60, 6814912), (64, 6388980), (65, 6290688), (78, 5242240), (80, 5111184), (96, 4259320), (104, 3931680), (120, 3407456), (128, 3194490), (130, 3145344), (156, 2621120), (160, 2555592), (192, 2129660), (195, 2096896), (208, 1965840), (240, 1703728), (256, 1597245), (260, 1572672), (312, 1310560), (320, 1277796), (384, 1064830), (390, 1048448), (416, 982920), (480, 851864), (520, 786336), (624, 655280), (640, 638898), (768, 532415), (780, 524224), (832, 491460), (960, 425932), (1040, 393168), (1248, 327640), (1280, 319449), (1560, 262112), (1664, 245730), (1920, 212966), (2080, 196584), (2496, 163820), (3120, 131056), (3328, 122865), (3840, 106483), (4160, 98292), (4992, 81910), (6240, 65528), (8191, 49920), (8320, 49146), (9984, 40955), (12480, 32764), (16382, 24960), (16640, 24573)]