209220240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{461}}^1$

素因数の和:569

約数の個数: 160

約数和(自身を含む): 681956352

約数和(自身を除く): 472736112

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 61, 62, 80, 93, 120, 122, 124, 155, 183, 186, 240, 244, 248, 305, 310, 366, 372, 461, 465, 488, 496, 610, 620, 732, 744, 915, 922, 930, 976, 1220, 1240, 1383, 1464, 1488, 1830, 1844, 1860, 1891, 2305, 2440, 2480, 2766, 2928, 3660, 3688, 3720, 3782, 4610, 4880, 5532, 5673, 6915, 7320, 7376, 7440, 7564, 9220, 9455, 11064, 11346, 13830, 14291, 14640, 15128, 18440, 18910, 22128, 22692, 27660, 28121, 28365, 28582, 30256, 36880, 37820, 42873, 45384, 55320, 56242, 56730, 57164, 71455, 75640, 84363, 85746, 90768, 110640, 112484, 113460, 114328, 140605, 142910, 151280, 168726, 171492, 214365, 224968, 226920, 228656, 281210, 285820, 337452, 342984, 421815, 428730, 449936, 453840, 562420, 571640, 674904, 685968, 843630, 857460, 871751, 1124840, 1143280, 1349808, 1687260, 1714920, 1743502, 2249680, 2615253, 3374520, 3429840, 3487004, 4358755, 5230506, 6749040, 6974008, 8717510, 10461012, 13076265, 13948016, 17435020, 20922024, 26152530, 34870040, 41844048, 52305060, 69740080, 104610120, 209220240]

約数ペア:

[(1, 209220240), (2, 104610120), (3, 69740080), (4, 52305060), (5, 41844048), (6, 34870040), (8, 26152530), (10, 20922024), (12, 17435020), (15, 13948016), (16, 13076265), (20, 10461012), (24, 8717510), (30, 6974008), (31, 6749040), (40, 5230506), (48, 4358755), (60, 3487004), (61, 3429840), (62, 3374520), (80, 2615253), (93, 2249680), (120, 1743502), (122, 1714920), (124, 1687260), (155, 1349808), (183, 1143280), (186, 1124840), (240, 871751), (244, 857460), (248, 843630), (305, 685968), (310, 674904), (366, 571640), (372, 562420), (461, 453840), (465, 449936), (488, 428730), (496, 421815), (610, 342984), (620, 337452), (732, 285820), (744, 281210), (915, 228656), (922, 226920), (930, 224968), (976, 214365), (1220, 171492), (1240, 168726), (1383, 151280), (1464, 142910), (1488, 140605), (1830, 114328), (1844, 113460), (1860, 112484), (1891, 110640), (2305, 90768), (2440, 85746), (2480, 84363), (2766, 75640), (2928, 71455), (3660, 57164), (3688, 56730), (3720, 56242), (3782, 55320), (4610, 45384), (4880, 42873), (5532, 37820), (5673, 36880), (6915, 30256), (7320, 28582), (7376, 28365), (7440, 28121), (7564, 27660), (9220, 22692), (9455, 22128), (11064, 18910), (11346, 18440), (13830, 15128), (14291, 14640)]