71805720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1171}}^1$

素因数の和:1265

約数の個数: 128

約数和(自身を含む): 249776640

約数和(自身を除く): 177970920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 73, 84, 105, 120, 140, 146, 168, 210, 219, 280, 292, 365, 420, 438, 511, 584, 730, 840, 876, 1022, 1095, 1171, 1460, 1533, 1752, 2044, 2190, 2342, 2555, 2920, 3066, 3513, 4088, 4380, 4684, 5110, 5855, 6132, 7026, 7665, 8197, 8760, 9368, 10220, 11710, 12264, 14052, 15330, 16394, 17565, 20440, 23420, 24591, 28104, 30660, 32788, 35130, 40985, 46840, 49182, 61320, 65576, 70260, 81970, 85483, 98364, 122955, 140520, 163940, 170966, 196728, 245910, 256449, 327880, 341932, 427415, 491820, 512898, 598381, 683864, 854830, 983640, 1025796, 1196762, 1282245, 1709660, 1795143, 2051592, 2393524, 2564490, 2991905, 3419320, 3590286, 4787048, 5128980, 5983810, 7180572, 8975715, 10257960, 11967620, 14361144, 17951430, 23935240, 35902860, 71805720]

約数ペア:

[(1, 71805720), (2, 35902860), (3, 23935240), (4, 17951430), (5, 14361144), (6, 11967620), (7, 10257960), (8, 8975715), (10, 7180572), (12, 5983810), (14, 5128980), (15, 4787048), (20, 3590286), (21, 3419320), (24, 2991905), (28, 2564490), (30, 2393524), (35, 2051592), (40, 1795143), (42, 1709660), (56, 1282245), (60, 1196762), (70, 1025796), (73, 983640), (84, 854830), (105, 683864), (120, 598381), (140, 512898), (146, 491820), (168, 427415), (210, 341932), (219, 327880), (280, 256449), (292, 245910), (365, 196728), (420, 170966), (438, 163940), (511, 140520), (584, 122955), (730, 98364), (840, 85483), (876, 81970), (1022, 70260), (1095, 65576), (1171, 61320), (1460, 49182), (1533, 46840), (1752, 40985), (2044, 35130), (2190, 32788), (2342, 30660), (2555, 28104), (2920, 24591), (3066, 23420), (3513, 20440), (4088, 17565), (4380, 16394), (4684, 15330), (5110, 14052), (5855, 12264), (6132, 11710), (7026, 10220), (7665, 9368), (8197, 8760)]