240295020

素因数分解:

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

素因数の和:157

約数の個数: 216

約数和(自身を含む): 821295216

約数和(自身を除く): 581000196

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 47, 49, 60, 70, 74, 84, 94, 98, 105, 111, 140, 141, 147, 148, 185, 188, 196, 210, 222, 235, 245, 259, 282, 294, 329, 370, 420, 444, 470, 490, 518, 555, 564, 588, 658, 705, 735, 740, 777, 940, 980, 987, 1036, 1110, 1295, 1316, 1410, 1470, 1554, 1645, 1739, 1813, 1974, 2209, 2220, 2303, 2590, 2820, 2940, 3108, 3290, 3478, 3626, 3885, 3948, 4418, 4606, 4935, 5180, 5217, 5439, 6580, 6627, 6909, 6956, 7252, 7770, 8695, 8836, 9065, 9212, 9870, 10434, 10878, 11045, 11515, 12173, 13254, 13818, 15463, 15540, 17390, 18130, 19740, 20868, 21756, 22090, 23030, 24346, 26085, 26508, 27195, 27636, 30926, 33135, 34545, 34780, 36260, 36519, 44180, 46060, 46389, 48692, 52170, 54390, 60865, 61852, 66270, 69090, 73038, 77315, 81733, 85211, 92778, 104340, 108241, 108780, 121730, 132540, 138180, 146076, 154630, 163466, 170422, 182595, 185556, 216482, 231945, 243460, 245199, 255633, 309260, 324723, 326932, 340844, 365190, 408665, 426055, 432964, 463890, 490398, 511266, 541205, 572131, 649446, 730380, 817330, 852110, 927780, 980796, 1022532, 1082410, 1144262, 1225995, 1278165, 1298892, 1623615, 1634660, 1704220, 1716393, 2164820, 2288524, 2451990, 2556330, 2860655, 3247230, 3432786, 4004917, 4903980, 5112660, 5721310, 6494460, 6865572, 8009834, 8581965, 11442620, 12014751, 16019668, 17163930, 20024585, 24029502, 34327860, 40049170, 48059004, 60073755, 80098340, 120147510, 240295020]

約数ペア:

[(1, 240295020), (2, 120147510), (3, 80098340), (4, 60073755), (5, 48059004), (6, 40049170), (7, 34327860), (10, 24029502), (12, 20024585), (14, 17163930), (15, 16019668), (20, 12014751), (21, 11442620), (28, 8581965), (30, 8009834), (35, 6865572), (37, 6494460), (42, 5721310), (47, 5112660), (49, 4903980), (60, 4004917), (70, 3432786), (74, 3247230), (84, 2860655), (94, 2556330), (98, 2451990), (105, 2288524), (111, 2164820), (140, 1716393), (141, 1704220), (147, 1634660), (148, 1623615), (185, 1298892), (188, 1278165), (196, 1225995), (210, 1144262), (222, 1082410), (235, 1022532), (245, 980796), (259, 927780), (282, 852110), (294, 817330), (329, 730380), (370, 649446), (420, 572131), (444, 541205), (470, 511266), (490, 490398), (518, 463890), (555, 432964), (564, 426055), (588, 408665), (658, 365190), (705, 340844), (735, 326932), (740, 324723), (777, 309260), (940, 255633), (980, 245199), (987, 243460), (1036, 231945), (1110, 216482), (1295, 185556), (1316, 182595), (1410, 170422), (1470, 163466), (1554, 154630), (1645, 146076), (1739, 138180), (1813, 132540), (1974, 121730), (2209, 108780), (2220, 108241), (2303, 104340), (2590, 92778), (2820, 85211), (2940, 81733), (3108, 77315), (3290, 73038), (3478, 69090), (3626, 66270), (3885, 61852), (3948, 60865), (4418, 54390), (4606, 52170), (4935, 48692), (5180, 46389), (5217, 46060), (5439, 44180), (6580, 36519), (6627, 36260), (6909, 34780), (6956, 34545), (7252, 33135), (7770, 30926), (8695, 27636), (8836, 27195), (9065, 26508), (9212, 26085), (9870, 24346), (10434, 23030), (10878, 22090), (11045, 21756), (11515, 20868), (12173, 19740), (13254, 18130), (13818, 17390), (15463, 15540)]