521449560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{887}}^1$

素因数の和:998

約数の個数: 192

約数和(自身を含む): 1795322880

約数和(自身を除く): 1273873320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 71, 72, 90, 92, 115, 120, 138, 142, 180, 184, 207, 213, 230, 276, 284, 345, 355, 360, 414, 426, 460, 552, 568, 639, 690, 710, 828, 852, 887, 920, 1035, 1065, 1278, 1380, 1420, 1633, 1656, 1704, 1774, 2070, 2130, 2556, 2661, 2760, 2840, 3195, 3266, 3548, 4140, 4260, 4435, 4899, 5112, 5322, 6390, 6532, 7096, 7983, 8165, 8280, 8520, 8870, 9798, 10644, 12780, 13064, 13305, 14697, 15966, 16330, 17740, 19596, 20401, 21288, 24495, 25560, 26610, 29394, 31932, 32660, 35480, 39192, 39915, 40802, 48990, 53220, 58788, 61203, 62977, 63864, 65320, 73485, 79830, 81604, 97980, 102005, 106440, 117576, 122406, 125954, 146970, 159660, 163208, 183609, 188931, 195960, 204010, 244812, 251908, 293940, 306015, 314885, 319320, 367218, 377862, 408020, 489624, 503816, 566793, 587880, 612030, 629770, 734436, 755724, 816040, 918045, 944655, 1133586, 1224060, 1259540, 1448471, 1468872, 1511448, 1836090, 1889310, 2267172, 2448120, 2519080, 2833965, 2896942, 3672180, 3778620, 4345413, 4534344, 5667930, 5793884, 7242355, 7344360, 7557240, 8690826, 11335860, 11587768, 13036239, 14484710, 17381652, 21727065, 22671720, 26072478, 28969420, 34763304, 43454130, 52144956, 57938840, 65181195, 86908260, 104289912, 130362390, 173816520, 260724780, 521449560]

約数ペア:

[(1, 521449560), (2, 260724780), (3, 173816520), (4, 130362390), (5, 104289912), (6, 86908260), (8, 65181195), (9, 57938840), (10, 52144956), (12, 43454130), (15, 34763304), (18, 28969420), (20, 26072478), (23, 22671720), (24, 21727065), (30, 17381652), (36, 14484710), (40, 13036239), (45, 11587768), (46, 11335860), (60, 8690826), (69, 7557240), (71, 7344360), (72, 7242355), (90, 5793884), (92, 5667930), (115, 4534344), (120, 4345413), (138, 3778620), (142, 3672180), (180, 2896942), (184, 2833965), (207, 2519080), (213, 2448120), (230, 2267172), (276, 1889310), (284, 1836090), (345, 1511448), (355, 1468872), (360, 1448471), (414, 1259540), (426, 1224060), (460, 1133586), (552, 944655), (568, 918045), (639, 816040), (690, 755724), (710, 734436), (828, 629770), (852, 612030), (887, 587880), (920, 566793), (1035, 503816), (1065, 489624), (1278, 408020), (1380, 377862), (1420, 367218), (1633, 319320), (1656, 314885), (1704, 306015), (1774, 293940), (2070, 251908), (2130, 244812), (2556, 204010), (2661, 195960), (2760, 188931), (2840, 183609), (3195, 163208), (3266, 159660), (3548, 146970), (4140, 125954), (4260, 122406), (4435, 117576), (4899, 106440), (5112, 102005), (5322, 97980), (6390, 81604), (6532, 79830), (7096, 73485), (7983, 65320), (8165, 63864), (8280, 62977), (8520, 61203), (8870, 58788), (9798, 53220), (10644, 48990), (12780, 40802), (13064, 39915), (13305, 39192), (14697, 35480), (15966, 32660), (16330, 31932), (17740, 29394), (19596, 26610), (20401, 25560), (21288, 24495)]