162172780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:180

約数の個数: 192

約数和(自身を含む): 454164480

約数和(自身を除く): 291991700

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 43, 44, 55, 62, 70, 77, 79, 86, 110, 124, 140, 154, 155, 158, 172, 215, 217, 220, 301, 308, 310, 316, 341, 385, 395, 430, 434, 473, 553, 602, 620, 682, 770, 790, 860, 868, 869, 946, 1085, 1106, 1204, 1333, 1364, 1505, 1540, 1580, 1705, 1738, 1892, 2170, 2212, 2365, 2387, 2449, 2666, 2765, 3010, 3311, 3397, 3410, 3476, 4340, 4345, 4730, 4774, 4898, 5332, 5530, 6020, 6083, 6622, 6665, 6794, 6820, 8690, 9331, 9460, 9548, 9796, 11060, 11935, 12166, 12245, 13244, 13330, 13588, 14663, 16555, 16985, 17143, 17380, 18662, 23779, 23870, 24332, 24490, 26660, 26939, 29326, 30415, 33110, 33970, 34286, 37324, 37367, 46655, 47558, 47740, 48980, 53878, 58652, 60830, 66220, 67940, 68572, 73315, 74734, 85715, 93310, 95116, 102641, 105307, 107756, 118895, 121660, 134695, 146630, 149468, 171430, 186620, 186835, 188573, 205282, 210614, 237790, 261569, 269390, 293260, 342860, 373670, 377146, 410564, 421228, 475580, 513205, 523138, 526535, 538780, 737149, 747340, 754292, 942865, 1026410, 1046276, 1053070, 1158377, 1307845, 1474298, 1885730, 2052820, 2106140, 2316754, 2615690, 2948596, 3685745, 3771460, 4633508, 5231380, 5791885, 7371490, 8108639, 11583770, 14742980, 16217278, 23167540, 32434556, 40543195, 81086390, 162172780]

約数ペア:

[(1, 162172780), (2, 81086390), (4, 40543195), (5, 32434556), (7, 23167540), (10, 16217278), (11, 14742980), (14, 11583770), (20, 8108639), (22, 7371490), (28, 5791885), (31, 5231380), (35, 4633508), (43, 3771460), (44, 3685745), (55, 2948596), (62, 2615690), (70, 2316754), (77, 2106140), (79, 2052820), (86, 1885730), (110, 1474298), (124, 1307845), (140, 1158377), (154, 1053070), (155, 1046276), (158, 1026410), (172, 942865), (215, 754292), (217, 747340), (220, 737149), (301, 538780), (308, 526535), (310, 523138), (316, 513205), (341, 475580), (385, 421228), (395, 410564), (430, 377146), (434, 373670), (473, 342860), (553, 293260), (602, 269390), (620, 261569), (682, 237790), (770, 210614), (790, 205282), (860, 188573), (868, 186835), (869, 186620), (946, 171430), (1085, 149468), (1106, 146630), (1204, 134695), (1333, 121660), (1364, 118895), (1505, 107756), (1540, 105307), (1580, 102641), (1705, 95116), (1738, 93310), (1892, 85715), (2170, 74734), (2212, 73315), (2365, 68572), (2387, 67940), (2449, 66220), (2666, 60830), (2765, 58652), (3010, 53878), (3311, 48980), (3397, 47740), (3410, 47558), (3476, 46655), (4340, 37367), (4345, 37324), (4730, 34286), (4774, 33970), (4898, 33110), (5332, 30415), (5530, 29326), (6020, 26939), (6083, 26660), (6622, 24490), (6665, 24332), (6794, 23870), (6820, 23779), (8690, 18662), (9331, 17380), (9460, 17143), (9548, 16985), (9796, 16555), (11060, 14663), (11935, 13588), (12166, 13330), (12245, 13244)]