254006560

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{617}}^1$

素因数の和:746

約数の個数: 96

約数和(自身を含む): 627927552

約数和(自身を除く): 373920992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 83, 124, 155, 160, 166, 248, 310, 332, 415, 496, 617, 620, 664, 830, 992, 1234, 1240, 1328, 1660, 2468, 2480, 2573, 2656, 3085, 3320, 4936, 4960, 5146, 6170, 6640, 9872, 10292, 12340, 12865, 13280, 19127, 19744, 20584, 24680, 25730, 38254, 41168, 49360, 51211, 51460, 76508, 82336, 95635, 98720, 102422, 102920, 153016, 191270, 204844, 205840, 256055, 306032, 382540, 409688, 411680, 512110, 612064, 765080, 819376, 1024220, 1530160, 1587541, 1638752, 2048440, 3060320, 3175082, 4096880, 6350164, 7937705, 8193760, 12700328, 15875410, 25400656, 31750820, 50801312, 63501640, 127003280, 254006560]

約数ペア:

[(1, 254006560), (2, 127003280), (4, 63501640), (5, 50801312), (8, 31750820), (10, 25400656), (16, 15875410), (20, 12700328), (31, 8193760), (32, 7937705), (40, 6350164), (62, 4096880), (80, 3175082), (83, 3060320), (124, 2048440), (155, 1638752), (160, 1587541), (166, 1530160), (248, 1024220), (310, 819376), (332, 765080), (415, 612064), (496, 512110), (617, 411680), (620, 409688), (664, 382540), (830, 306032), (992, 256055), (1234, 205840), (1240, 204844), (1328, 191270), (1660, 153016), (2468, 102920), (2480, 102422), (2573, 98720), (2656, 95635), (3085, 82336), (3320, 76508), (4936, 51460), (4960, 51211), (5146, 49360), (6170, 41168), (6640, 38254), (9872, 25730), (10292, 24680), (12340, 20584), (12865, 19744), (13280, 19127)]