42748380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:256

約数の個数: 144

約数和(自身を含む): 137539584

約数和(自身を除く): 94791204

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, 163, 180, 186, 188, 235, 279, 282, 310, 326, 372, 423, 465, 470, 489, 558, 564, 620, 652, 705, 815, 846, 930, 940, 978, 1116, 1395, 1410, 1457, 1467, 1630, 1692, 1860, 1956, 2115, 2445, 2790, 2820, 2914, 2934, 3260, 4230, 4371, 4890, 5053, 5580, 5828, 5868, 7285, 7335, 7661, 8460, 8742, 9780, 10106, 13113, 14570, 14670, 15159, 15322, 17484, 20212, 21855, 22983, 25265, 26226, 29140, 29340, 30318, 30644, 38305, 43710, 45477, 45966, 50530, 52452, 60636, 65565, 68949, 75795, 76610, 87420, 90954, 91932, 101060, 114915, 131130, 137898, 151590, 153220, 181908, 227385, 229830, 237491, 262260, 275796, 303180, 344745, 454770, 459660, 474982, 689490, 712473, 909540, 949964, 1187455, 1378980, 1424946, 2137419, 2374910, 2849892, 3562365, 4274838, 4749820, 7124730, 8549676, 10687095, 14249460, 21374190, 42748380]

約数ペア:

[(1, 42748380), (2, 21374190), (3, 14249460), (4, 10687095), (5, 8549676), (6, 7124730), (9, 4749820), (10, 4274838), (12, 3562365), (15, 2849892), (18, 2374910), (20, 2137419), (30, 1424946), (31, 1378980), (36, 1187455), (45, 949964), (47, 909540), (60, 712473), (62, 689490), (90, 474982), (93, 459660), (94, 454770), (124, 344745), (141, 303180), (155, 275796), (163, 262260), (180, 237491), (186, 229830), (188, 227385), (235, 181908), (279, 153220), (282, 151590), (310, 137898), (326, 131130), (372, 114915), (423, 101060), (465, 91932), (470, 90954), (489, 87420), (558, 76610), (564, 75795), (620, 68949), (652, 65565), (705, 60636), (815, 52452), (846, 50530), (930, 45966), (940, 45477), (978, 43710), (1116, 38305), (1395, 30644), (1410, 30318), (1457, 29340), (1467, 29140), (1630, 26226), (1692, 25265), (1860, 22983), (1956, 21855), (2115, 20212), (2445, 17484), (2790, 15322), (2820, 15159), (2914, 14670), (2934, 14570), (3260, 13113), (4230, 10106), (4371, 9780), (4890, 8742), (5053, 8460), (5580, 7661), (5828, 7335), (5868, 7285)]