77438280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:295

約数の個数: 128

約数和(自身を含む): 241056000

約数和(自身を除く): 163617720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 71, 120, 122, 142, 149, 183, 213, 244, 284, 298, 305, 355, 366, 426, 447, 488, 568, 596, 610, 710, 732, 745, 852, 894, 915, 1065, 1192, 1220, 1420, 1464, 1490, 1704, 1788, 1830, 2130, 2235, 2440, 2840, 2980, 3576, 3660, 4260, 4331, 4470, 5960, 7320, 8520, 8662, 8940, 9089, 10579, 12993, 17324, 17880, 18178, 21158, 21655, 25986, 27267, 31737, 34648, 36356, 42316, 43310, 45445, 51972, 52895, 54534, 63474, 64965, 72712, 84632, 86620, 90890, 103944, 105790, 109068, 126948, 129930, 136335, 158685, 173240, 181780, 211580, 218136, 253896, 259860, 272670, 317370, 363560, 423160, 519720, 545340, 634740, 645319, 1090680, 1269480, 1290638, 1935957, 2581276, 3226595, 3871914, 5162552, 6453190, 7743828, 9679785, 12906380, 15487656, 19359570, 25812760, 38719140, 77438280]

約数ペア:

[(1, 77438280), (2, 38719140), (3, 25812760), (4, 19359570), (5, 15487656), (6, 12906380), (8, 9679785), (10, 7743828), (12, 6453190), (15, 5162552), (20, 3871914), (24, 3226595), (30, 2581276), (40, 1935957), (60, 1290638), (61, 1269480), (71, 1090680), (120, 645319), (122, 634740), (142, 545340), (149, 519720), (183, 423160), (213, 363560), (244, 317370), (284, 272670), (298, 259860), (305, 253896), (355, 218136), (366, 211580), (426, 181780), (447, 173240), (488, 158685), (568, 136335), (596, 129930), (610, 126948), (710, 109068), (732, 105790), (745, 103944), (852, 90890), (894, 86620), (915, 84632), (1065, 72712), (1192, 64965), (1220, 63474), (1420, 54534), (1464, 52895), (1490, 51972), (1704, 45445), (1788, 43310), (1830, 42316), (2130, 36356), (2235, 34648), (2440, 31737), (2840, 27267), (2980, 25986), (3576, 21655), (3660, 21158), (4260, 18178), (4331, 17880), (4470, 17324), (5960, 12993), (7320, 10579), (8520, 9089), (8662, 8940)]