257822040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9901}}^1$

素因数の和:9953

約数の個数: 128

約数和(自身を含む): 912568320

約数和(自身を除く): 654746280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3255, 3720, 4340, 5208, 6510, 8680, 9901, 13020, 19802, 26040, 29703, 39604, 49505, 59406, 69307, 79208, 99010, 118812, 138614, 148515, 198020, 207921, 237624, 277228, 297030, 306931, 346535, 396040, 415842, 554456, 594060, 613862, 693070, 831684, 920793, 1039605, 1188120, 1227724, 1386140, 1534655, 1663368, 1841586, 2079210, 2148517, 2455448, 2772280, 3069310, 3683172, 4158420, 4297034, 4603965, 6138620, 6445551, 7366344, 8316840, 8594068, 9207930, 10742585, 12277240, 12891102, 17188136, 18415860, 21485170, 25782204, 32227755, 36831720, 42970340, 51564408, 64455510, 85940680, 128911020, 257822040]

約数ペア:

[(1, 257822040), (2, 128911020), (3, 85940680), (4, 64455510), (5, 51564408), (6, 42970340), (7, 36831720), (8, 32227755), (10, 25782204), (12, 21485170), (14, 18415860), (15, 17188136), (20, 12891102), (21, 12277240), (24, 10742585), (28, 9207930), (30, 8594068), (31, 8316840), (35, 7366344), (40, 6445551), (42, 6138620), (56, 4603965), (60, 4297034), (62, 4158420), (70, 3683172), (84, 3069310), (93, 2772280), (105, 2455448), (120, 2148517), (124, 2079210), (140, 1841586), (155, 1663368), (168, 1534655), (186, 1386140), (210, 1227724), (217, 1188120), (248, 1039605), (280, 920793), (310, 831684), (372, 693070), (420, 613862), (434, 594060), (465, 554456), (620, 415842), (651, 396040), (744, 346535), (840, 306931), (868, 297030), (930, 277228), (1085, 237624), (1240, 207921), (1302, 198020), (1736, 148515), (1860, 138614), (2170, 118812), (2604, 99010), (3255, 79208), (3720, 69307), (4340, 59406), (5208, 49505), (6510, 39604), (8680, 29703), (9901, 26040), (13020, 19802)]