319681920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:225

約数の個数: 256

約数和(自身を含む): 1085736960

約数和(自身を除く): 766055040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 41, 48, 60, 62, 64, 80, 82, 93, 96, 120, 123, 124, 128, 131, 155, 160, 164, 186, 192, 205, 240, 246, 248, 262, 310, 320, 328, 372, 384, 393, 410, 465, 480, 492, 496, 524, 615, 620, 640, 655, 656, 744, 786, 820, 930, 960, 984, 992, 1048, 1230, 1240, 1271, 1310, 1312, 1488, 1572, 1640, 1860, 1920, 1965, 1968, 1984, 2096, 2460, 2480, 2542, 2620, 2624, 2976, 3144, 3280, 3720, 3813, 3930, 3936, 3968, 4061, 4192, 4920, 4960, 5084, 5240, 5248, 5371, 5952, 6288, 6355, 6560, 7440, 7626, 7860, 7872, 8122, 8384, 9840, 9920, 10168, 10480, 10742, 11904, 12183, 12576, 12710, 13120, 14880, 15252, 15720, 15744, 16113, 16244, 16768, 19065, 19680, 19840, 20305, 20336, 20960, 21484, 24366, 25152, 25420, 26240, 26855, 29760, 30504, 31440, 32226, 32488, 38130, 39360, 40610, 40672, 41920, 42968, 48732, 50304, 50840, 53710, 59520, 60915, 61008, 62880, 64452, 64976, 76260, 78720, 80565, 81220, 81344, 83840, 85936, 97464, 101680, 107420, 121830, 122016, 125760, 128904, 129952, 152520, 161130, 162440, 162688, 166501, 171872, 194928, 203360, 214840, 243660, 244032, 251520, 257808, 259904, 305040, 322260, 324880, 333002, 343744, 389856, 406720, 429680, 487320, 488064, 499503, 515616, 519808, 610080, 644520, 649760, 666004, 687488, 779712, 813440, 832505, 859360, 974640, 999006, 1031232, 1220160, 1289040, 1299520, 1332008, 1559424, 1665010, 1718720, 1949280, 1998012, 2062464, 2440320, 2497515, 2578080, 2599040, 2664016, 3330020, 3437440, 3898560, 3996024, 4995030, 5156160, 5328032, 6660040, 7797120, 7992048, 9990060, 10312320, 10656064, 13320080, 15984096, 19980120, 21312128, 26640160, 31968192, 39960240, 53280320, 63936384, 79920480, 106560640, 159840960, 319681920]

約数ペア:

[(1, 319681920), (2, 159840960), (3, 106560640), (4, 79920480), (5, 63936384), (6, 53280320), (8, 39960240), (10, 31968192), (12, 26640160), (15, 21312128), (16, 19980120), (20, 15984096), (24, 13320080), (30, 10656064), (31, 10312320), (32, 9990060), (40, 7992048), (41, 7797120), (48, 6660040), (60, 5328032), (62, 5156160), (64, 4995030), (80, 3996024), (82, 3898560), (93, 3437440), (96, 3330020), (120, 2664016), (123, 2599040), (124, 2578080), (128, 2497515), (131, 2440320), (155, 2062464), (160, 1998012), (164, 1949280), (186, 1718720), (192, 1665010), (205, 1559424), (240, 1332008), (246, 1299520), (248, 1289040), (262, 1220160), (310, 1031232), (320, 999006), (328, 974640), (372, 859360), (384, 832505), (393, 813440), (410, 779712), (465, 687488), (480, 666004), (492, 649760), (496, 644520), (524, 610080), (615, 519808), (620, 515616), (640, 499503), (655, 488064), (656, 487320), (744, 429680), (786, 406720), (820, 389856), (930, 343744), (960, 333002), (984, 324880), (992, 322260), (1048, 305040), (1230, 259904), (1240, 257808), (1271, 251520), (1310, 244032), (1312, 243660), (1488, 214840), (1572, 203360), (1640, 194928), (1860, 171872), (1920, 166501), (1965, 162688), (1968, 162440), (1984, 161130), (2096, 152520), (2460, 129952), (2480, 128904), (2542, 125760), (2620, 122016), (2624, 121830), (2976, 107420), (3144, 101680), (3280, 97464), (3720, 85936), (3813, 83840), (3930, 81344), (3936, 81220), (3968, 80565), (4061, 78720), (4192, 76260), (4920, 64976), (4960, 64452), (5084, 62880), (5240, 61008), (5248, 60915), (5371, 59520), (5952, 53710), (6288, 50840), (6355, 50304), (6560, 48732), (7440, 42968), (7626, 41920), (7860, 40672), (7872, 40610), (8122, 39360), (8384, 38130), (9840, 32488), (9920, 32226), (10168, 31440), (10480, 30504), (10742, 29760), (11904, 26855), (12183, 26240), (12576, 25420), (12710, 25152), (13120, 24366), (14880, 21484), (15252, 20960), (15720, 20336), (15744, 20305), (16113, 19840), (16244, 19680), (16768, 19065)]