51136360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:239

約数の個数: 128

約数和(自身を含む): 136028160

約数和(自身を除く): 84891800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 31, 40, 44, 46, 55, 62, 88, 92, 110, 115, 124, 155, 163, 184, 220, 230, 248, 253, 310, 326, 341, 440, 460, 506, 620, 652, 682, 713, 815, 920, 1012, 1240, 1265, 1304, 1364, 1426, 1630, 1705, 1793, 2024, 2530, 2728, 2852, 3260, 3410, 3565, 3586, 3749, 5053, 5060, 5704, 6520, 6820, 7130, 7172, 7498, 7843, 8965, 10106, 10120, 13640, 14260, 14344, 14996, 15686, 17930, 18745, 20212, 25265, 28520, 29992, 31372, 35860, 37490, 39215, 40424, 41239, 50530, 55583, 62744, 71720, 74980, 78430, 82478, 101060, 111166, 116219, 149960, 156860, 164956, 202120, 206195, 222332, 232438, 277915, 313720, 329912, 412390, 444664, 464876, 555830, 581095, 824780, 929752, 1111660, 1162190, 1278409, 1649560, 2223320, 2324380, 2556818, 4648760, 5113636, 6392045, 10227272, 12784090, 25568180, 51136360]

約数ペア:

[(1, 51136360), (2, 25568180), (4, 12784090), (5, 10227272), (8, 6392045), (10, 5113636), (11, 4648760), (20, 2556818), (22, 2324380), (23, 2223320), (31, 1649560), (40, 1278409), (44, 1162190), (46, 1111660), (55, 929752), (62, 824780), (88, 581095), (92, 555830), (110, 464876), (115, 444664), (124, 412390), (155, 329912), (163, 313720), (184, 277915), (220, 232438), (230, 222332), (248, 206195), (253, 202120), (310, 164956), (326, 156860), (341, 149960), (440, 116219), (460, 111166), (506, 101060), (620, 82478), (652, 78430), (682, 74980), (713, 71720), (815, 62744), (920, 55583), (1012, 50530), (1240, 41239), (1265, 40424), (1304, 39215), (1364, 37490), (1426, 35860), (1630, 31372), (1705, 29992), (1793, 28520), (2024, 25265), (2530, 20212), (2728, 18745), (2852, 17930), (3260, 15686), (3410, 14996), (3565, 14344), (3586, 14260), (3749, 13640), (5053, 10120), (5060, 10106), (5704, 8965), (6520, 7843), (6820, 7498), (7130, 7172)]