20661501540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{773}}^1$

素因数の和:1022

約数の個数: 192

約数和(自身を含む): 60303640320

約数和(自身を除く): 39642138780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 67, 109, 122, 134, 183, 201, 218, 244, 268, 305, 327, 335, 366, 402, 436, 545, 610, 654, 670, 732, 773, 804, 915, 1005, 1090, 1220, 1308, 1340, 1546, 1635, 1830, 2010, 2180, 2319, 3092, 3270, 3660, 3865, 4020, 4087, 4638, 6540, 6649, 7303, 7730, 8174, 9276, 11595, 12261, 13298, 14606, 15460, 16348, 19947, 20435, 21909, 23190, 24522, 26596, 29212, 33245, 36515, 39894, 40870, 43818, 46380, 47153, 49044, 51791, 61305, 66490, 73030, 79788, 81740, 84257, 87636, 94306, 99735, 103582, 109545, 122610, 132980, 141459, 146060, 155373, 168514, 188612, 199470, 207164, 219090, 235765, 245220, 252771, 258955, 282918, 310746, 337028, 398940, 421285, 438180, 445483, 471530, 505542, 517910, 565836, 621492, 707295, 776865, 842570, 890966, 943060, 1011084, 1035820, 1263855, 1336449, 1414590, 1553730, 1685140, 1781932, 2227415, 2527710, 2672898, 2829180, 3107460, 3159251, 4454830, 5055420, 5139677, 5345796, 5645219, 6318502, 6682245, 8909660, 9477753, 10279354, 11290438, 12637004, 13364490, 15419031, 15796255, 16935657, 18955506, 20558708, 22580876, 25698385, 26728980, 28226095, 30838062, 31592510, 33871314, 37911012, 47388765, 51396770, 56452190, 61676124, 63185020, 67742628, 77095155, 84678285, 94777530, 102793540, 112904380, 154190310, 169356570, 189555060, 308380620, 338713140, 344358359, 688716718, 1033075077, 1377433436, 1721791795, 2066150154, 3443583590, 4132300308, 5165375385, 6887167180, 10330750770, 20661501540]

約数ペア:

[(1, 20661501540), (2, 10330750770), (3, 6887167180), (4, 5165375385), (5, 4132300308), (6, 3443583590), (10, 2066150154), (12, 1721791795), (15, 1377433436), (20, 1033075077), (30, 688716718), (60, 344358359), (61, 338713140), (67, 308380620), (109, 189555060), (122, 169356570), (134, 154190310), (183, 112904380), (201, 102793540), (218, 94777530), (244, 84678285), (268, 77095155), (305, 67742628), (327, 63185020), (335, 61676124), (366, 56452190), (402, 51396770), (436, 47388765), (545, 37911012), (610, 33871314), (654, 31592510), (670, 30838062), (732, 28226095), (773, 26728980), (804, 25698385), (915, 22580876), (1005, 20558708), (1090, 18955506), (1220, 16935657), (1308, 15796255), (1340, 15419031), (1546, 13364490), (1635, 12637004), (1830, 11290438), (2010, 10279354), (2180, 9477753), (2319, 8909660), (3092, 6682245), (3270, 6318502), (3660, 5645219), (3865, 5345796), (4020, 5139677), (4087, 5055420), (4638, 4454830), (6540, 3159251), (6649, 3107460), (7303, 2829180), (7730, 2672898), (8174, 2527710), (9276, 2227415), (11595, 1781932), (12261, 1685140), (13298, 1553730), (14606, 1414590), (15460, 1336449), (16348, 1263855), (19947, 1035820), (20435, 1011084), (21909, 943060), (23190, 890966), (24522, 842570), (26596, 776865), (29212, 707295), (33245, 621492), (36515, 565836), (39894, 517910), (40870, 505542), (43818, 471530), (46380, 445483), (47153, 438180), (49044, 421285), (51791, 398940), (61305, 337028), (66490, 310746), (73030, 282918), (79788, 258955), (81740, 252771), (84257, 245220), (87636, 235765), (94306, 219090), (99735, 207164), (103582, 199470), (109545, 188612), (122610, 168514), (132980, 155373), (141459, 146060)]