217646040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1427}}^1$

素因数の和:1513

約数の個数: 128

約数和(自身を含む): 690923520

約数和(自身を除く): 473277480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 41, 60, 62, 82, 93, 120, 123, 124, 155, 164, 186, 205, 246, 248, 310, 328, 372, 410, 465, 492, 615, 620, 744, 820, 930, 984, 1230, 1240, 1271, 1427, 1640, 1860, 2460, 2542, 2854, 3720, 3813, 4281, 4920, 5084, 5708, 6355, 7135, 7626, 8562, 10168, 11416, 12710, 14270, 15252, 17124, 19065, 21405, 25420, 28540, 30504, 34248, 38130, 42810, 44237, 50840, 57080, 58507, 76260, 85620, 88474, 117014, 132711, 152520, 171240, 175521, 176948, 221185, 234028, 265422, 292535, 351042, 353896, 442370, 468056, 530844, 585070, 663555, 702084, 877605, 884740, 1061688, 1170140, 1327110, 1404168, 1755210, 1769480, 1813717, 2340280, 2654220, 3510420, 3627434, 5308440, 5441151, 7020840, 7254868, 9068585, 10882302, 14509736, 18137170, 21764604, 27205755, 36274340, 43529208, 54411510, 72548680, 108823020, 217646040]

約数ペア:

[(1, 217646040), (2, 108823020), (3, 72548680), (4, 54411510), (5, 43529208), (6, 36274340), (8, 27205755), (10, 21764604), (12, 18137170), (15, 14509736), (20, 10882302), (24, 9068585), (30, 7254868), (31, 7020840), (40, 5441151), (41, 5308440), (60, 3627434), (62, 3510420), (82, 2654220), (93, 2340280), (120, 1813717), (123, 1769480), (124, 1755210), (155, 1404168), (164, 1327110), (186, 1170140), (205, 1061688), (246, 884740), (248, 877605), (310, 702084), (328, 663555), (372, 585070), (410, 530844), (465, 468056), (492, 442370), (615, 353896), (620, 351042), (744, 292535), (820, 265422), (930, 234028), (984, 221185), (1230, 176948), (1240, 175521), (1271, 171240), (1427, 152520), (1640, 132711), (1860, 117014), (2460, 88474), (2542, 85620), (2854, 76260), (3720, 58507), (3813, 57080), (4281, 50840), (4920, 44237), (5084, 42810), (5708, 38130), (6355, 34248), (7135, 30504), (7626, 28540), (8562, 25420), (10168, 21405), (11416, 19065), (12710, 17124), (14270, 15252)]