387252840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:344

約数の個数: 256

約数和(自身を含む): 1341204480

約数和(自身を除く): 953951640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 43, 46, 52, 60, 65, 69, 78, 86, 92, 104, 115, 120, 129, 130, 138, 156, 172, 184, 195, 215, 230, 251, 258, 260, 276, 299, 312, 344, 345, 390, 430, 460, 502, 516, 520, 552, 559, 598, 645, 690, 753, 780, 860, 897, 920, 989, 1004, 1032, 1118, 1196, 1255, 1290, 1380, 1495, 1506, 1560, 1677, 1720, 1794, 1978, 2008, 2236, 2392, 2510, 2580, 2760, 2795, 2967, 2990, 3012, 3263, 3354, 3588, 3765, 3956, 4472, 4485, 4945, 5020, 5160, 5590, 5773, 5934, 5980, 6024, 6526, 6708, 7176, 7530, 7912, 8385, 8970, 9789, 9890, 10040, 10793, 11180, 11546, 11868, 11960, 12857, 13052, 13416, 14835, 15060, 16315, 16770, 17319, 17940, 19578, 19780, 21586, 22360, 23092, 23736, 25714, 26104, 28865, 29670, 30120, 32379, 32630, 33540, 34638, 35880, 38571, 39156, 39560, 43172, 46184, 48945, 51428, 53965, 57730, 59340, 64285, 64758, 65260, 67080, 69276, 75049, 77142, 78312, 86344, 86595, 97890, 102856, 107930, 115460, 118680, 128570, 129516, 130520, 138552, 140309, 150098, 154284, 161895, 173190, 192855, 195780, 215860, 225147, 230920, 248239, 257140, 259032, 280618, 300196, 308568, 323790, 346380, 375245, 385710, 391560, 420927, 431720, 450294, 496478, 514280, 561236, 600392, 647580, 692760, 701545, 744717, 750490, 771420, 841854, 900588, 992956, 1122472, 1125735, 1241195, 1295160, 1403090, 1489434, 1500980, 1542840, 1683708, 1801176, 1985912, 2104635, 2251470, 2482390, 2806180, 2978868, 3001960, 3227107, 3367416, 3723585, 4209270, 4502940, 4964780, 5612360, 5957736, 6454214, 7447170, 8418540, 9005880, 9681321, 9929560, 12908428, 14894340, 16135535, 16837080, 19362642, 25816856, 29788680, 32271070, 38725284, 48406605, 64542140, 77450568, 96813210, 129084280, 193626420, 387252840]

約数ペア:

[(1, 387252840), (2, 193626420), (3, 129084280), (4, 96813210), (5, 77450568), (6, 64542140), (8, 48406605), (10, 38725284), (12, 32271070), (13, 29788680), (15, 25816856), (20, 19362642), (23, 16837080), (24, 16135535), (26, 14894340), (30, 12908428), (39, 9929560), (40, 9681321), (43, 9005880), (46, 8418540), (52, 7447170), (60, 6454214), (65, 5957736), (69, 5612360), (78, 4964780), (86, 4502940), (92, 4209270), (104, 3723585), (115, 3367416), (120, 3227107), (129, 3001960), (130, 2978868), (138, 2806180), (156, 2482390), (172, 2251470), (184, 2104635), (195, 1985912), (215, 1801176), (230, 1683708), (251, 1542840), (258, 1500980), (260, 1489434), (276, 1403090), (299, 1295160), (312, 1241195), (344, 1125735), (345, 1122472), (390, 992956), (430, 900588), (460, 841854), (502, 771420), (516, 750490), (520, 744717), (552, 701545), (559, 692760), (598, 647580), (645, 600392), (690, 561236), (753, 514280), (780, 496478), (860, 450294), (897, 431720), (920, 420927), (989, 391560), (1004, 385710), (1032, 375245), (1118, 346380), (1196, 323790), (1255, 308568), (1290, 300196), (1380, 280618), (1495, 259032), (1506, 257140), (1560, 248239), (1677, 230920), (1720, 225147), (1794, 215860), (1978, 195780), (2008, 192855), (2236, 173190), (2392, 161895), (2510, 154284), (2580, 150098), (2760, 140309), (2795, 138552), (2967, 130520), (2990, 129516), (3012, 128570), (3263, 118680), (3354, 115460), (3588, 107930), (3765, 102856), (3956, 97890), (4472, 86595), (4485, 86344), (4945, 78312), (5020, 77142), (5160, 75049), (5590, 69276), (5773, 67080), (5934, 65260), (5980, 64758), (6024, 64285), (6526, 59340), (6708, 57730), (7176, 53965), (7530, 51428), (7912, 48945), (8385, 46184), (8970, 43172), (9789, 39560), (9890, 39156), (10040, 38571), (10793, 35880), (11180, 34638), (11546, 33540), (11868, 32630), (11960, 32379), (12857, 30120), (13052, 29670), (13416, 28865), (14835, 26104), (15060, 25714), (16315, 23736), (16770, 23092), (17319, 22360), (17940, 21586), (19578, 19780)]