31397730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:121

約数の個数: 192

約数和(自身を含む): 99283968

約数和(自身を除く): 67886238

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 31, 35, 39, 42, 49, 53, 62, 65, 70, 78, 91, 93, 98, 105, 106, 130, 147, 155, 159, 182, 186, 195, 210, 217, 245, 265, 273, 294, 310, 318, 371, 390, 403, 434, 455, 465, 490, 530, 546, 637, 651, 689, 735, 742, 795, 806, 910, 930, 1085, 1113, 1209, 1274, 1302, 1365, 1378, 1470, 1519, 1590, 1643, 1855, 1911, 2015, 2067, 2170, 2226, 2418, 2597, 2730, 2821, 3038, 3185, 3255, 3286, 3445, 3710, 3822, 4030, 4134, 4557, 4823, 4929, 5194, 5565, 5642, 6045, 6370, 6510, 6890, 7595, 7791, 8215, 8463, 9114, 9555, 9646, 9858, 10335, 11130, 11501, 12090, 12985, 14105, 14469, 15190, 15582, 16430, 16926, 19110, 19747, 20670, 21359, 22785, 23002, 24115, 24645, 25970, 28210, 28938, 33761, 34503, 38955, 39494, 42315, 42718, 45570, 48230, 49290, 57505, 59241, 64077, 67522, 69006, 72345, 77910, 80507, 84630, 98735, 101283, 106795, 115010, 118482, 128154, 144690, 149513, 161014, 168805, 172515, 197470, 202566, 213590, 241521, 296205, 299026, 320385, 337610, 345030, 402535, 448539, 483042, 506415, 592410, 640770, 747565, 805070, 897078, 1012830, 1046591, 1207605, 1495130, 2093182, 2242695, 2415210, 3139773, 4485390, 5232955, 6279546, 10465910, 15698865, 31397730]

約数ペア:

[(1, 31397730), (2, 15698865), (3, 10465910), (5, 6279546), (6, 5232955), (7, 4485390), (10, 3139773), (13, 2415210), (14, 2242695), (15, 2093182), (21, 1495130), (26, 1207605), (30, 1046591), (31, 1012830), (35, 897078), (39, 805070), (42, 747565), (49, 640770), (53, 592410), (62, 506415), (65, 483042), (70, 448539), (78, 402535), (91, 345030), (93, 337610), (98, 320385), (105, 299026), (106, 296205), (130, 241521), (147, 213590), (155, 202566), (159, 197470), (182, 172515), (186, 168805), (195, 161014), (210, 149513), (217, 144690), (245, 128154), (265, 118482), (273, 115010), (294, 106795), (310, 101283), (318, 98735), (371, 84630), (390, 80507), (403, 77910), (434, 72345), (455, 69006), (465, 67522), (490, 64077), (530, 59241), (546, 57505), (637, 49290), (651, 48230), (689, 45570), (735, 42718), (742, 42315), (795, 39494), (806, 38955), (910, 34503), (930, 33761), (1085, 28938), (1113, 28210), (1209, 25970), (1274, 24645), (1302, 24115), (1365, 23002), (1378, 22785), (1470, 21359), (1519, 20670), (1590, 19747), (1643, 19110), (1855, 16926), (1911, 16430), (2015, 15582), (2067, 15190), (2170, 14469), (2226, 14105), (2418, 12985), (2597, 12090), (2730, 11501), (2821, 11130), (3038, 10335), (3185, 9858), (3255, 9646), (3286, 9555), (3445, 9114), (3710, 8463), (3822, 8215), (4030, 7791), (4134, 7595), (4557, 6890), (4823, 6510), (4929, 6370), (5194, 6045), (5565, 5642)]