305414480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1$

素因数の和:365

約数の個数: 160

約数和(自身を含む): 852707328

約数和(自身を除く): 547292848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 73, 80, 112, 124, 140, 146, 155, 217, 241, 248, 280, 292, 310, 365, 434, 482, 496, 511, 560, 584, 620, 730, 868, 964, 1022, 1085, 1168, 1205, 1240, 1460, 1687, 1736, 1928, 2044, 2170, 2263, 2410, 2480, 2555, 2920, 3374, 3472, 3856, 4088, 4340, 4526, 4820, 5110, 5840, 6748, 7471, 8176, 8435, 8680, 9052, 9640, 10220, 11315, 13496, 14942, 15841, 16870, 17360, 17593, 18104, 19280, 20440, 22630, 26992, 29884, 31682, 33740, 35186, 36208, 37355, 40880, 45260, 52297, 59768, 63364, 67480, 70372, 74710, 79205, 87965, 90520, 104594, 119536, 123151, 126728, 134960, 140744, 149420, 158410, 175930, 181040, 209188, 246302, 253456, 261485, 281488, 298840, 316820, 351860, 418376, 492604, 522970, 545383, 597680, 615755, 633640, 703720, 836752, 985208, 1045940, 1090766, 1231510, 1267280, 1407440, 1970416, 2091880, 2181532, 2463020, 2726915, 3817681, 4183760, 4363064, 4926040, 5453830, 7635362, 8726128, 9852080, 10907660, 15270724, 19088405, 21815320, 30541448, 38176810, 43630640, 61082896, 76353620, 152707240, 305414480]

約数ペア:

[(1, 305414480), (2, 152707240), (4, 76353620), (5, 61082896), (7, 43630640), (8, 38176810), (10, 30541448), (14, 21815320), (16, 19088405), (20, 15270724), (28, 10907660), (31, 9852080), (35, 8726128), (40, 7635362), (56, 5453830), (62, 4926040), (70, 4363064), (73, 4183760), (80, 3817681), (112, 2726915), (124, 2463020), (140, 2181532), (146, 2091880), (155, 1970416), (217, 1407440), (241, 1267280), (248, 1231510), (280, 1090766), (292, 1045940), (310, 985208), (365, 836752), (434, 703720), (482, 633640), (496, 615755), (511, 597680), (560, 545383), (584, 522970), (620, 492604), (730, 418376), (868, 351860), (964, 316820), (1022, 298840), (1085, 281488), (1168, 261485), (1205, 253456), (1240, 246302), (1460, 209188), (1687, 181040), (1736, 175930), (1928, 158410), (2044, 149420), (2170, 140744), (2263, 134960), (2410, 126728), (2480, 123151), (2555, 119536), (2920, 104594), (3374, 90520), (3472, 87965), (3856, 79205), (4088, 74710), (4340, 70372), (4526, 67480), (4820, 63364), (5110, 59768), (5840, 52297), (6748, 45260), (7471, 40880), (8176, 37355), (8435, 36208), (8680, 35186), (9052, 33740), (9640, 31682), (10220, 29884), (11315, 26992), (13496, 22630), (14942, 20440), (15841, 19280), (16870, 18104), (17360, 17593)]