72445140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12983}}^1$

素因数の和:13029

約数の個数: 72

約数和(自身を含む): 226856448

約数和(自身を除く): 154411308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 12983, 25966, 38949, 51932, 64915, 77898, 116847, 129830, 155796, 194745, 233694, 259660, 389490, 402473, 467388, 584235, 778980, 804946, 1168470, 1207419, 1609892, 2012365, 2336940, 2414838, 3622257, 4024730, 4829676, 6037095, 7244514, 8049460, 12074190, 14489028, 18111285, 24148380, 36222570, 72445140]

約数ペア:

[(1, 72445140), (2, 36222570), (3, 24148380), (4, 18111285), (5, 14489028), (6, 12074190), (9, 8049460), (10, 7244514), (12, 6037095), (15, 4829676), (18, 4024730), (20, 3622257), (30, 2414838), (31, 2336940), (36, 2012365), (45, 1609892), (60, 1207419), (62, 1168470), (90, 804946), (93, 778980), (124, 584235), (155, 467388), (180, 402473), (186, 389490), (279, 259660), (310, 233694), (372, 194745), (465, 155796), (558, 129830), (620, 116847), (930, 77898), (1116, 64915), (1395, 51932), (1860, 38949), (2790, 25966), (5580, 12983)]