312921440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:293

約数の個数: 192

約数和(自身を含む): 861622272

約数和(自身を除く): 548700832

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 31, 32, 40, 46, 52, 62, 65, 80, 92, 104, 115, 124, 130, 155, 160, 184, 208, 211, 230, 248, 260, 299, 310, 368, 403, 416, 422, 460, 496, 520, 598, 620, 713, 736, 806, 844, 920, 992, 1040, 1055, 1196, 1240, 1426, 1495, 1612, 1688, 1840, 2015, 2080, 2110, 2392, 2480, 2743, 2852, 2990, 3224, 3376, 3565, 3680, 4030, 4220, 4784, 4853, 4960, 5486, 5704, 5980, 6448, 6541, 6752, 7130, 8060, 8440, 9269, 9568, 9706, 10972, 11408, 11960, 12896, 13082, 13715, 14260, 16120, 16880, 18538, 19412, 21944, 22816, 23920, 24265, 26164, 27430, 28520, 32240, 32705, 33760, 37076, 38824, 43888, 46345, 47840, 48530, 52328, 54860, 57040, 63089, 64480, 65410, 74152, 77648, 85033, 87776, 92690, 97060, 104656, 109720, 114080, 126178, 130820, 148304, 150443, 155296, 170066, 185380, 194120, 209312, 219440, 252356, 261640, 296608, 300886, 315445, 340132, 370760, 388240, 425165, 438880, 504712, 523280, 601772, 630890, 680264, 741520, 752215, 776480, 850330, 1009424, 1046560, 1203544, 1261780, 1360528, 1483040, 1504430, 1700660, 1955759, 2018848, 2407088, 2523560, 2721056, 3008860, 3401320, 3911518, 4814176, 5047120, 6017720, 6802640, 7823036, 9778795, 10094240, 12035440, 13605280, 15646072, 19557590, 24070880, 31292144, 39115180, 62584288, 78230360, 156460720, 312921440]

約数ペア:

[(1, 312921440), (2, 156460720), (4, 78230360), (5, 62584288), (8, 39115180), (10, 31292144), (13, 24070880), (16, 19557590), (20, 15646072), (23, 13605280), (26, 12035440), (31, 10094240), (32, 9778795), (40, 7823036), (46, 6802640), (52, 6017720), (62, 5047120), (65, 4814176), (80, 3911518), (92, 3401320), (104, 3008860), (115, 2721056), (124, 2523560), (130, 2407088), (155, 2018848), (160, 1955759), (184, 1700660), (208, 1504430), (211, 1483040), (230, 1360528), (248, 1261780), (260, 1203544), (299, 1046560), (310, 1009424), (368, 850330), (403, 776480), (416, 752215), (422, 741520), (460, 680264), (496, 630890), (520, 601772), (598, 523280), (620, 504712), (713, 438880), (736, 425165), (806, 388240), (844, 370760), (920, 340132), (992, 315445), (1040, 300886), (1055, 296608), (1196, 261640), (1240, 252356), (1426, 219440), (1495, 209312), (1612, 194120), (1688, 185380), (1840, 170066), (2015, 155296), (2080, 150443), (2110, 148304), (2392, 130820), (2480, 126178), (2743, 114080), (2852, 109720), (2990, 104656), (3224, 97060), (3376, 92690), (3565, 87776), (3680, 85033), (4030, 77648), (4220, 74152), (4784, 65410), (4853, 64480), (4960, 63089), (5486, 57040), (5704, 54860), (5980, 52328), (6448, 48530), (6541, 47840), (6752, 46345), (7130, 43888), (8060, 38824), (8440, 37076), (9269, 33760), (9568, 32705), (9706, 32240), (10972, 28520), (11408, 27430), (11960, 26164), (12896, 24265), (13082, 23920), (13715, 22816), (14260, 21944), (16120, 19412), (16880, 18538)]