168517860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{43}}^2$

素因数の和:143

約数の個数: 216

約数和(自身を含む): 580075776

約数和(自身を除く): 411557916

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 43, 49, 60, 62, 70, 84, 86, 93, 98, 105, 124, 129, 140, 147, 155, 172, 186, 196, 210, 215, 217, 245, 258, 294, 301, 310, 372, 420, 430, 434, 465, 490, 516, 588, 602, 620, 645, 651, 735, 860, 868, 903, 930, 980, 1085, 1204, 1290, 1302, 1333, 1470, 1505, 1519, 1806, 1849, 1860, 2107, 2170, 2580, 2604, 2666, 2940, 3010, 3038, 3255, 3612, 3698, 3999, 4214, 4340, 4515, 4557, 5332, 5547, 6020, 6076, 6321, 6510, 6665, 7396, 7595, 7998, 8428, 9030, 9114, 9245, 9331, 10535, 11094, 12642, 12943, 13020, 13330, 15190, 15996, 18060, 18228, 18490, 18662, 19995, 21070, 22188, 22785, 25284, 25886, 26660, 27735, 27993, 30380, 31605, 36980, 37324, 38829, 39990, 42140, 45570, 46655, 51772, 55470, 55986, 57319, 63210, 64715, 65317, 77658, 79980, 90601, 91140, 93310, 110940, 111972, 114638, 126420, 129430, 130634, 139965, 155316, 171957, 181202, 186620, 194145, 195951, 229276, 258860, 261268, 271803, 279930, 286595, 326585, 343914, 362404, 388290, 391902, 401233, 453005, 543606, 559860, 573190, 653170, 687828, 776580, 783804, 802466, 859785, 906010, 979755, 1087212, 1146380, 1203699, 1306340, 1359015, 1604932, 1719570, 1812020, 1959510, 2006165, 2407398, 2718030, 2808631, 3439140, 3919020, 4012330, 4814796, 5436060, 5617262, 6018495, 8024660, 8425893, 11234524, 12036990, 14043155, 16851786, 24073980, 28086310, 33703572, 42129465, 56172620, 84258930, 168517860]

約数ペア:

[(1, 168517860), (2, 84258930), (3, 56172620), (4, 42129465), (5, 33703572), (6, 28086310), (7, 24073980), (10, 16851786), (12, 14043155), (14, 12036990), (15, 11234524), (20, 8425893), (21, 8024660), (28, 6018495), (30, 5617262), (31, 5436060), (35, 4814796), (42, 4012330), (43, 3919020), (49, 3439140), (60, 2808631), (62, 2718030), (70, 2407398), (84, 2006165), (86, 1959510), (93, 1812020), (98, 1719570), (105, 1604932), (124, 1359015), (129, 1306340), (140, 1203699), (147, 1146380), (155, 1087212), (172, 979755), (186, 906010), (196, 859785), (210, 802466), (215, 783804), (217, 776580), (245, 687828), (258, 653170), (294, 573190), (301, 559860), (310, 543606), (372, 453005), (420, 401233), (430, 391902), (434, 388290), (465, 362404), (490, 343914), (516, 326585), (588, 286595), (602, 279930), (620, 271803), (645, 261268), (651, 258860), (735, 229276), (860, 195951), (868, 194145), (903, 186620), (930, 181202), (980, 171957), (1085, 155316), (1204, 139965), (1290, 130634), (1302, 129430), (1333, 126420), (1470, 114638), (1505, 111972), (1519, 110940), (1806, 93310), (1849, 91140), (1860, 90601), (2107, 79980), (2170, 77658), (2580, 65317), (2604, 64715), (2666, 63210), (2940, 57319), (3010, 55986), (3038, 55470), (3255, 51772), (3612, 46655), (3698, 45570), (3999, 42140), (4214, 39990), (4340, 38829), (4515, 37324), (4557, 36980), (5332, 31605), (5547, 30380), (6020, 27993), (6076, 27735), (6321, 26660), (6510, 25886), (6665, 25284), (7396, 22785), (7595, 22188), (7998, 21070), (8428, 19995), (9030, 18662), (9114, 18490), (9245, 18228), (9331, 18060), (10535, 15996), (11094, 15190), (12642, 13330), (12943, 13020)]