319880320

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{701}}^1$

素因数の和:774

約数の個数: 128

約数和(自身を含む): 824878080

約数和(自身を除く): 504997760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 64, 80, 92, 115, 124, 128, 155, 160, 184, 230, 248, 310, 320, 368, 460, 496, 620, 640, 701, 713, 736, 920, 992, 1240, 1402, 1426, 1472, 1840, 1984, 2480, 2804, 2852, 2944, 3505, 3565, 3680, 3968, 4960, 5608, 5704, 7010, 7130, 7360, 9920, 11216, 11408, 14020, 14260, 14720, 16123, 19840, 21731, 22432, 22816, 28040, 28520, 32246, 43462, 44864, 45632, 56080, 57040, 64492, 80615, 86924, 89728, 91264, 108655, 112160, 114080, 128984, 161230, 173848, 217310, 224320, 228160, 257968, 322460, 347696, 434620, 448640, 456320, 499813, 515936, 644920, 695392, 869240, 999626, 1031872, 1289840, 1390784, 1738480, 1999252, 2063744, 2499065, 2579680, 2781568, 3476960, 3998504, 4998130, 5159360, 6953920, 7997008, 9996260, 10318720, 13907840, 15994016, 19992520, 31988032, 39985040, 63976064, 79970080, 159940160, 319880320]

約数ペア:

[(1, 319880320), (2, 159940160), (4, 79970080), (5, 63976064), (8, 39985040), (10, 31988032), (16, 19992520), (20, 15994016), (23, 13907840), (31, 10318720), (32, 9996260), (40, 7997008), (46, 6953920), (62, 5159360), (64, 4998130), (80, 3998504), (92, 3476960), (115, 2781568), (124, 2579680), (128, 2499065), (155, 2063744), (160, 1999252), (184, 1738480), (230, 1390784), (248, 1289840), (310, 1031872), (320, 999626), (368, 869240), (460, 695392), (496, 644920), (620, 515936), (640, 499813), (701, 456320), (713, 448640), (736, 434620), (920, 347696), (992, 322460), (1240, 257968), (1402, 228160), (1426, 224320), (1472, 217310), (1840, 173848), (1984, 161230), (2480, 128984), (2804, 114080), (2852, 112160), (2944, 108655), (3505, 91264), (3565, 89728), (3680, 86924), (3968, 80615), (4960, 64492), (5608, 57040), (5704, 56080), (7010, 45632), (7130, 44864), (7360, 43462), (9920, 32246), (11216, 28520), (11408, 28040), (14020, 22816), (14260, 22432), (14720, 21731), (16123, 19840)]