406401660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{18973}}^1$

素因数の和:19012

約数の個数: 144

約数和(自身を含む): 1491811776

約数和(自身を除く): 1085410116

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 2142, 2380, 3060, 3570, 4284, 5355, 7140, 10710, 18973, 21420, 37946, 56919, 75892, 94865, 113838, 132811, 170757, 189730, 227676, 265622, 284595, 322541, 341514, 379460, 398433, 531244, 569190, 645082, 664055, 683028, 796866, 853785, 967623, 1138380, 1195299, 1290164, 1328110, 1593732, 1612705, 1707570, 1935246, 1992165, 2257787, 2390598, 2656220, 2902869, 3225410, 3415140, 3870492, 3984330, 4515574, 4781196, 4838115, 5805738, 5976495, 6450820, 6773361, 7968660, 9031148, 9676230, 11288935, 11611476, 11952990, 13546722, 14514345, 19352460, 20320083, 22577870, 23905980, 27093444, 29028690, 33866805, 40640166, 45155740, 58057380, 67733610, 81280332, 101600415, 135467220, 203200830, 406401660]

約数ペア:

[(1, 406401660), (2, 203200830), (3, 135467220), (4, 101600415), (5, 81280332), (6, 67733610), (7, 58057380), (9, 45155740), (10, 40640166), (12, 33866805), (14, 29028690), (15, 27093444), (17, 23905980), (18, 22577870), (20, 20320083), (21, 19352460), (28, 14514345), (30, 13546722), (34, 11952990), (35, 11611476), (36, 11288935), (42, 9676230), (45, 9031148), (51, 7968660), (60, 6773361), (63, 6450820), (68, 5976495), (70, 5805738), (84, 4838115), (85, 4781196), (90, 4515574), (102, 3984330), (105, 3870492), (119, 3415140), (126, 3225410), (140, 2902869), (153, 2656220), (170, 2390598), (180, 2257787), (204, 1992165), (210, 1935246), (238, 1707570), (252, 1612705), (255, 1593732), (306, 1328110), (315, 1290164), (340, 1195299), (357, 1138380), (420, 967623), (476, 853785), (510, 796866), (595, 683028), (612, 664055), (630, 645082), (714, 569190), (765, 531244), (1020, 398433), (1071, 379460), (1190, 341514), (1260, 322541), (1428, 284595), (1530, 265622), (1785, 227676), (2142, 189730), (2380, 170757), (3060, 132811), (3570, 113838), (4284, 94865), (5355, 75892), (7140, 56919), (10710, 37946), (18973, 21420)]