178221420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{76163}}^1$

素因数の和:76191

約数の個数: 72

約数和(自身を含む): 582197616

約数和(自身を除く): 403976196

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 76163, 152326, 228489, 304652, 380815, 456978, 685467, 761630, 913956, 990119, 1142445, 1370934, 1523260, 1980238, 2284890, 2741868, 2970357, 3427335, 3960476, 4569780, 4950595, 5940714, 6854670, 8911071, 9901190, 11881428, 13709340, 14851785, 17822142, 19802380, 29703570, 35644284, 44555355, 59407140, 89110710, 178221420]

約数ペア:

[(1, 178221420), (2, 89110710), (3, 59407140), (4, 44555355), (5, 35644284), (6, 29703570), (9, 19802380), (10, 17822142), (12, 14851785), (13, 13709340), (15, 11881428), (18, 9901190), (20, 8911071), (26, 6854670), (30, 5940714), (36, 4950595), (39, 4569780), (45, 3960476), (52, 3427335), (60, 2970357), (65, 2741868), (78, 2284890), (90, 1980238), (117, 1523260), (130, 1370934), (156, 1142445), (180, 990119), (195, 913956), (234, 761630), (260, 685467), (390, 456978), (468, 380815), (585, 304652), (780, 228489), (1170, 152326), (2340, 76163)]