28791180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:197

約数の個数: 192

約数和(自身を含む): 101122560

約数和(自身を除く): 72331380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 37, 44, 45, 54, 55, 60, 66, 74, 90, 99, 108, 110, 111, 131, 132, 135, 148, 165, 180, 185, 198, 220, 222, 262, 270, 297, 330, 333, 370, 393, 396, 407, 444, 495, 524, 540, 555, 594, 655, 660, 666, 740, 786, 814, 990, 999, 1110, 1179, 1188, 1221, 1310, 1332, 1441, 1485, 1572, 1628, 1665, 1965, 1980, 1998, 2035, 2220, 2358, 2442, 2620, 2882, 2970, 3330, 3537, 3663, 3930, 3996, 4070, 4323, 4716, 4847, 4884, 4995, 5764, 5895, 5940, 6105, 6660, 7074, 7205, 7326, 7860, 8140, 8646, 9694, 9990, 10989, 11790, 12210, 12969, 14148, 14410, 14541, 14652, 17292, 17685, 18315, 19388, 19980, 21615, 21978, 23580, 24235, 24420, 25938, 28820, 29082, 35370, 36630, 38907, 43230, 43623, 43956, 48470, 51876, 53317, 54945, 58164, 64845, 70740, 72705, 73260, 77814, 86460, 87246, 96940, 106634, 109890, 129690, 130869, 145410, 155628, 159951, 174492, 194535, 213268, 218115, 219780, 259380, 261738, 266585, 290820, 319902, 389070, 436230, 479853, 523476, 533170, 639804, 654345, 778140, 799755, 872460, 959706, 1066340, 1308690, 1439559, 1599510, 1919412, 2399265, 2617380, 2879118, 3199020, 4798530, 5758236, 7197795, 9597060, 14395590, 28791180]

約数ペア:

[(1, 28791180), (2, 14395590), (3, 9597060), (4, 7197795), (5, 5758236), (6, 4798530), (9, 3199020), (10, 2879118), (11, 2617380), (12, 2399265), (15, 1919412), (18, 1599510), (20, 1439559), (22, 1308690), (27, 1066340), (30, 959706), (33, 872460), (36, 799755), (37, 778140), (44, 654345), (45, 639804), (54, 533170), (55, 523476), (60, 479853), (66, 436230), (74, 389070), (90, 319902), (99, 290820), (108, 266585), (110, 261738), (111, 259380), (131, 219780), (132, 218115), (135, 213268), (148, 194535), (165, 174492), (180, 159951), (185, 155628), (198, 145410), (220, 130869), (222, 129690), (262, 109890), (270, 106634), (297, 96940), (330, 87246), (333, 86460), (370, 77814), (393, 73260), (396, 72705), (407, 70740), (444, 64845), (495, 58164), (524, 54945), (540, 53317), (555, 51876), (594, 48470), (655, 43956), (660, 43623), (666, 43230), (740, 38907), (786, 36630), (814, 35370), (990, 29082), (999, 28820), (1110, 25938), (1179, 24420), (1188, 24235), (1221, 23580), (1310, 21978), (1332, 21615), (1441, 19980), (1485, 19388), (1572, 18315), (1628, 17685), (1665, 17292), (1965, 14652), (1980, 14541), (1998, 14410), (2035, 14148), (2220, 12969), (2358, 12210), (2442, 11790), (2620, 10989), (2882, 9990), (2970, 9694), (3330, 8646), (3537, 8140), (3663, 7860), (3930, 7326), (3996, 7205), (4070, 7074), (4323, 6660), (4716, 6105), (4847, 5940), (4884, 5895), (4995, 5764)]