81638700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1$

素因数の和:225

約数の個数: 216

約数和(自身を含む): 281221584

約数和(自身を除く): 199582884

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 25, 26, 30, 33, 39, 44, 50, 52, 55, 60, 65, 66, 75, 78, 100, 110, 121, 130, 132, 143, 150, 156, 165, 173, 195, 220, 242, 260, 275, 286, 300, 325, 330, 346, 363, 390, 429, 484, 519, 550, 572, 605, 650, 660, 692, 715, 726, 780, 825, 858, 865, 975, 1038, 1100, 1210, 1300, 1430, 1452, 1573, 1650, 1716, 1730, 1815, 1903, 1950, 2076, 2145, 2249, 2420, 2595, 2860, 3025, 3146, 3300, 3460, 3575, 3630, 3806, 3900, 4290, 4325, 4498, 4719, 5190, 5709, 6050, 6292, 6747, 7150, 7260, 7612, 7865, 8580, 8650, 8996, 9075, 9438, 9515, 10380, 10725, 11245, 11418, 12100, 12975, 13494, 14300, 15730, 17300, 18150, 18876, 19030, 20933, 21450, 22490, 22836, 23595, 24739, 25950, 26988, 28545, 31460, 33735, 36300, 38060, 39325, 41866, 42900, 44980, 47190, 47575, 49478, 51900, 56225, 57090, 62799, 67470, 74217, 78650, 83732, 94380, 95150, 98956, 104665, 112450, 114180, 117975, 123695, 125598, 134940, 142725, 148434, 157300, 168675, 190300, 209330, 224900, 235950, 247390, 251196, 272129, 285450, 296868, 313995, 337350, 371085, 418660, 471900, 494780, 523325, 544258, 570900, 618475, 627990, 674700, 742170, 816387, 1046650, 1088516, 1236950, 1255980, 1360645, 1484340, 1569975, 1632774, 1855425, 2093300, 2473900, 2721290, 3139950, 3265548, 3710850, 4081935, 5442580, 6279900, 6803225, 7421700, 8163870, 13606450, 16327740, 20409675, 27212900, 40819350, 81638700]

約数ペア:

[(1, 81638700), (2, 40819350), (3, 27212900), (4, 20409675), (5, 16327740), (6, 13606450), (10, 8163870), (11, 7421700), (12, 6803225), (13, 6279900), (15, 5442580), (20, 4081935), (22, 3710850), (25, 3265548), (26, 3139950), (30, 2721290), (33, 2473900), (39, 2093300), (44, 1855425), (50, 1632774), (52, 1569975), (55, 1484340), (60, 1360645), (65, 1255980), (66, 1236950), (75, 1088516), (78, 1046650), (100, 816387), (110, 742170), (121, 674700), (130, 627990), (132, 618475), (143, 570900), (150, 544258), (156, 523325), (165, 494780), (173, 471900), (195, 418660), (220, 371085), (242, 337350), (260, 313995), (275, 296868), (286, 285450), (300, 272129), (325, 251196), (330, 247390), (346, 235950), (363, 224900), (390, 209330), (429, 190300), (484, 168675), (519, 157300), (550, 148434), (572, 142725), (605, 134940), (650, 125598), (660, 123695), (692, 117975), (715, 114180), (726, 112450), (780, 104665), (825, 98956), (858, 95150), (865, 94380), (975, 83732), (1038, 78650), (1100, 74217), (1210, 67470), (1300, 62799), (1430, 57090), (1452, 56225), (1573, 51900), (1650, 49478), (1716, 47575), (1730, 47190), (1815, 44980), (1903, 42900), (1950, 41866), (2076, 39325), (2145, 38060), (2249, 36300), (2420, 33735), (2595, 31460), (2860, 28545), (3025, 26988), (3146, 25950), (3300, 24739), (3460, 23595), (3575, 22836), (3630, 22490), (3806, 21450), (3900, 20933), (4290, 19030), (4325, 18876), (4498, 18150), (4719, 17300), (5190, 15730), (5709, 14300), (6050, 13494), (6292, 12975), (6747, 12100), (7150, 11418), (7260, 11245), (7612, 10725), (7865, 10380), (8580, 9515), (8650, 9438), (8996, 9075)]