171255780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{653}}^1$

素因数の和:746

約数の個数: 144

約数和(自身を含む): 548481024

約数和(自身を除く): 377225244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 47, 60, 62, 90, 93, 94, 124, 141, 155, 180, 186, 188, 235, 279, 282, 310, 372, 423, 465, 470, 558, 564, 620, 653, 705, 846, 930, 940, 1116, 1306, 1395, 1410, 1457, 1692, 1860, 1959, 2115, 2612, 2790, 2820, 2914, 3265, 3918, 4230, 4371, 5580, 5828, 5877, 6530, 7285, 7836, 8460, 8742, 9795, 11754, 13060, 13113, 14570, 17484, 19590, 20243, 21855, 23508, 26226, 29140, 29385, 30691, 39180, 40486, 43710, 52452, 58770, 60729, 61382, 65565, 80972, 87420, 92073, 101215, 117540, 121458, 122764, 131130, 153455, 182187, 184146, 202430, 242916, 262260, 276219, 303645, 306910, 364374, 368292, 404860, 460365, 552438, 607290, 613820, 728748, 910935, 920730, 951421, 1104876, 1214580, 1381095, 1821870, 1841460, 1902842, 2762190, 2854263, 3643740, 3805684, 4757105, 5524380, 5708526, 8562789, 9514210, 11417052, 14271315, 17125578, 19028420, 28542630, 34251156, 42813945, 57085260, 85627890, 171255780]

約数ペア:

[(1, 171255780), (2, 85627890), (3, 57085260), (4, 42813945), (5, 34251156), (6, 28542630), (9, 19028420), (10, 17125578), (12, 14271315), (15, 11417052), (18, 9514210), (20, 8562789), (30, 5708526), (31, 5524380), (36, 4757105), (45, 3805684), (47, 3643740), (60, 2854263), (62, 2762190), (90, 1902842), (93, 1841460), (94, 1821870), (124, 1381095), (141, 1214580), (155, 1104876), (180, 951421), (186, 920730), (188, 910935), (235, 728748), (279, 613820), (282, 607290), (310, 552438), (372, 460365), (423, 404860), (465, 368292), (470, 364374), (558, 306910), (564, 303645), (620, 276219), (653, 262260), (705, 242916), (846, 202430), (930, 184146), (940, 182187), (1116, 153455), (1306, 131130), (1395, 122764), (1410, 121458), (1457, 117540), (1692, 101215), (1860, 92073), (1959, 87420), (2115, 80972), (2612, 65565), (2790, 61382), (2820, 60729), (2914, 58770), (3265, 52452), (3918, 43710), (4230, 40486), (4371, 39180), (5580, 30691), (5828, 29385), (5877, 29140), (6530, 26226), (7285, 23508), (7836, 21855), (8460, 20243), (8742, 19590), (9795, 17484), (11754, 14570), (13060, 13113)]