311872260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:171

約数の個数: 288

約数和(自身を含む): 1082930688

約数和(自身を除く): 771058428

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 47, 49, 60, 61, 70, 74, 84, 94, 98, 105, 111, 122, 140, 141, 147, 148, 183, 185, 188, 196, 210, 222, 235, 244, 245, 259, 282, 294, 305, 329, 366, 370, 420, 427, 444, 470, 490, 518, 555, 564, 588, 610, 658, 705, 732, 735, 740, 777, 854, 915, 940, 980, 987, 1036, 1110, 1220, 1281, 1295, 1316, 1410, 1470, 1554, 1645, 1708, 1739, 1813, 1830, 1974, 2135, 2220, 2257, 2303, 2562, 2590, 2820, 2867, 2940, 2989, 3108, 3290, 3478, 3626, 3660, 3885, 3948, 4270, 4514, 4606, 4935, 5124, 5180, 5217, 5439, 5734, 5978, 6405, 6580, 6771, 6909, 6956, 7252, 7770, 8540, 8601, 8695, 8967, 9028, 9065, 9212, 9870, 10434, 10878, 11285, 11468, 11515, 11956, 12173, 12810, 13542, 13818, 14335, 14945, 15540, 15799, 17202, 17390, 17934, 18130, 19740, 20069, 20868, 21756, 22570, 23030, 24346, 25620, 26085, 27084, 27195, 27636, 28670, 29890, 31598, 33855, 34404, 34545, 34780, 35868, 36260, 36519, 40138, 43005, 44835, 45140, 46060, 47397, 48692, 52170, 54390, 57340, 59780, 60207, 60865, 63196, 67710, 69090, 73038, 78995, 80276, 85211, 86010, 89670, 94794, 100345, 104340, 106079, 108780, 110593, 120414, 121730, 135420, 138180, 140483, 146076, 157990, 170422, 172020, 179340, 182595, 189588, 200690, 212158, 221186, 236985, 240828, 243460, 255633, 280966, 301035, 315980, 318237, 331779, 340844, 365190, 401380, 421449, 424316, 426055, 442372, 473970, 511266, 530395, 552965, 561932, 602070, 636474, 663558, 702415, 730380, 742553, 842898, 852110, 947940, 1022532, 1060790, 1105930, 1204140, 1272948, 1278165, 1327116, 1404830, 1485106, 1591185, 1658895, 1685796, 1704220, 2107245, 2121580, 2211860, 2227659, 2556330, 2809660, 2970212, 3182370, 3317790, 3712765, 4214490, 4455318, 5112660, 5197871, 6364740, 6635580, 7425530, 8428980, 8910636, 10395742, 11138295, 14851060, 15593613, 20791484, 22276590, 25989355, 31187226, 44553180, 51978710, 62374452, 77968065, 103957420, 155936130, 311872260]

約数ペア:

[(1, 311872260), (2, 155936130), (3, 103957420), (4, 77968065), (5, 62374452), (6, 51978710), (7, 44553180), (10, 31187226), (12, 25989355), (14, 22276590), (15, 20791484), (20, 15593613), (21, 14851060), (28, 11138295), (30, 10395742), (35, 8910636), (37, 8428980), (42, 7425530), (47, 6635580), (49, 6364740), (60, 5197871), (61, 5112660), (70, 4455318), (74, 4214490), (84, 3712765), (94, 3317790), (98, 3182370), (105, 2970212), (111, 2809660), (122, 2556330), (140, 2227659), (141, 2211860), (147, 2121580), (148, 2107245), (183, 1704220), (185, 1685796), (188, 1658895), (196, 1591185), (210, 1485106), (222, 1404830), (235, 1327116), (244, 1278165), (245, 1272948), (259, 1204140), (282, 1105930), (294, 1060790), (305, 1022532), (329, 947940), (366, 852110), (370, 842898), (420, 742553), (427, 730380), (444, 702415), (470, 663558), (490, 636474), (518, 602070), (555, 561932), (564, 552965), (588, 530395), (610, 511266), (658, 473970), (705, 442372), (732, 426055), (735, 424316), (740, 421449), (777, 401380), (854, 365190), (915, 340844), (940, 331779), (980, 318237), (987, 315980), (1036, 301035), (1110, 280966), (1220, 255633), (1281, 243460), (1295, 240828), (1316, 236985), (1410, 221186), (1470, 212158), (1554, 200690), (1645, 189588), (1708, 182595), (1739, 179340), (1813, 172020), (1830, 170422), (1974, 157990), (2135, 146076), (2220, 140483), (2257, 138180), (2303, 135420), (2562, 121730), (2590, 120414), (2820, 110593), (2867, 108780), (2940, 106079), (2989, 104340), (3108, 100345), (3290, 94794), (3478, 89670), (3626, 86010), (3660, 85211), (3885, 80276), (3948, 78995), (4270, 73038), (4514, 69090), (4606, 67710), (4935, 63196), (5124, 60865), (5180, 60207), (5217, 59780), (5439, 57340), (5734, 54390), (5978, 52170), (6405, 48692), (6580, 47397), (6771, 46060), (6909, 45140), (6956, 44835), (7252, 43005), (7770, 40138), (8540, 36519), (8601, 36260), (8695, 35868), (8967, 34780), (9028, 34545), (9065, 34404), (9212, 33855), (9870, 31598), (10434, 29890), (10878, 28670), (11285, 27636), (11468, 27195), (11515, 27084), (11956, 26085), (12173, 25620), (12810, 24346), (13542, 23030), (13818, 22570), (14335, 21756), (14945, 20868), (15540, 20069), (15799, 19740), (17202, 18130), (17390, 17934)]