72403540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1$

素因数の和:433

約数の個数: 96

約数和(自身を含む): 177811200

約数和(自身を除く): 105407660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 41, 44, 46, 55, 82, 92, 110, 115, 164, 205, 220, 230, 253, 349, 410, 451, 460, 506, 698, 820, 902, 943, 1012, 1265, 1396, 1745, 1804, 1886, 2255, 2530, 3490, 3772, 3839, 4510, 4715, 5060, 6980, 7678, 8027, 9020, 9430, 10373, 14309, 15356, 16054, 18860, 19195, 20746, 28618, 32108, 38390, 40135, 41492, 51865, 57236, 71545, 76780, 80270, 88297, 103730, 143090, 157399, 160540, 176594, 207460, 286180, 314798, 329107, 353188, 441485, 629596, 658214, 786995, 882970, 1316428, 1573990, 1645535, 1765940, 3147980, 3291070, 3620177, 6582140, 7240354, 14480708, 18100885, 36201770, 72403540]

約数ペア:

[(1, 72403540), (2, 36201770), (4, 18100885), (5, 14480708), (10, 7240354), (11, 6582140), (20, 3620177), (22, 3291070), (23, 3147980), (41, 1765940), (44, 1645535), (46, 1573990), (55, 1316428), (82, 882970), (92, 786995), (110, 658214), (115, 629596), (164, 441485), (205, 353188), (220, 329107), (230, 314798), (253, 286180), (349, 207460), (410, 176594), (451, 160540), (460, 157399), (506, 143090), (698, 103730), (820, 88297), (902, 80270), (943, 76780), (1012, 71545), (1265, 57236), (1396, 51865), (1745, 41492), (1804, 40135), (1886, 38390), (2255, 32108), (2530, 28618), (3490, 20746), (3772, 19195), (3839, 18860), (4510, 16054), (4715, 15356), (5060, 14309), (6980, 10373), (7678, 9430), (8027, 9020)]