247867320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2897}}^1$

素因数の和:2965

約数の個数: 128

約数和(自身を含む): 801239040

約数和(自身を除く): 553371720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 31, 40, 46, 60, 62, 69, 92, 93, 115, 120, 124, 138, 155, 184, 186, 230, 248, 276, 310, 345, 372, 460, 465, 552, 620, 690, 713, 744, 920, 930, 1240, 1380, 1426, 1860, 2139, 2760, 2852, 2897, 3565, 3720, 4278, 5704, 5794, 7130, 8556, 8691, 10695, 11588, 14260, 14485, 17112, 17382, 21390, 23176, 28520, 28970, 34764, 42780, 43455, 57940, 66631, 69528, 85560, 86910, 89807, 115880, 133262, 173820, 179614, 199893, 266524, 269421, 333155, 347640, 359228, 399786, 449035, 533048, 538842, 666310, 718456, 799572, 898070, 999465, 1077684, 1332620, 1347105, 1599144, 1796140, 1998930, 2065561, 2155368, 2665240, 2694210, 3592280, 3997860, 4131122, 5388420, 6196683, 7995720, 8262244, 10327805, 10776840, 12393366, 16524488, 20655610, 24786732, 30983415, 41311220, 49573464, 61966830, 82622440, 123933660, 247867320]

約数ペア:

[(1, 247867320), (2, 123933660), (3, 82622440), (4, 61966830), (5, 49573464), (6, 41311220), (8, 30983415), (10, 24786732), (12, 20655610), (15, 16524488), (20, 12393366), (23, 10776840), (24, 10327805), (30, 8262244), (31, 7995720), (40, 6196683), (46, 5388420), (60, 4131122), (62, 3997860), (69, 3592280), (92, 2694210), (93, 2665240), (115, 2155368), (120, 2065561), (124, 1998930), (138, 1796140), (155, 1599144), (184, 1347105), (186, 1332620), (230, 1077684), (248, 999465), (276, 898070), (310, 799572), (345, 718456), (372, 666310), (460, 538842), (465, 533048), (552, 449035), (620, 399786), (690, 359228), (713, 347640), (744, 333155), (920, 269421), (930, 266524), (1240, 199893), (1380, 179614), (1426, 173820), (1860, 133262), (2139, 115880), (2760, 89807), (2852, 86910), (2897, 85560), (3565, 69528), (3720, 66631), (4278, 57940), (5704, 43455), (5794, 42780), (7130, 34764), (8556, 28970), (8691, 28520), (10695, 23176), (11588, 21390), (14260, 17382), (14485, 17112)]