78418620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{523}}^1$

素因数の和:569

約数の個数: 216

約数和(自身を含む): 293542704

約数和(自身を除く): 215124084

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, 49, 51, 60, 63, 68, 70, 84, 85, 90, 98, 102, 105, 119, 126, 140, 147, 153, 170, 180, 196, 204, 210, 238, 245, 252, 255, 294, 306, 315, 340, 357, 420, 441, 476, 490, 510, 523, 588, 595, 612, 630, 714, 735, 765, 833, 882, 980, 1020, 1046, 1071, 1190, 1260, 1428, 1470, 1530, 1569, 1666, 1764, 1785, 2092, 2142, 2205, 2380, 2499, 2615, 2940, 3060, 3138, 3332, 3570, 3661, 4165, 4284, 4410, 4707, 4998, 5230, 5355, 6276, 7140, 7322, 7497, 7845, 8330, 8820, 8891, 9414, 9996, 10460, 10710, 10983, 12495, 14644, 14994, 15690, 16660, 17782, 18305, 18828, 21420, 21966, 23535, 24990, 25627, 26673, 29988, 31380, 32949, 35564, 36610, 37485, 43932, 44455, 47070, 49980, 51254, 53346, 54915, 62237, 65898, 73220, 74970, 76881, 80019, 88910, 94140, 102508, 106692, 109830, 124474, 128135, 131796, 133365, 149940, 153762, 160038, 164745, 177820, 186711, 219660, 230643, 248948, 256270, 266730, 307524, 311185, 320076, 329490, 373422, 384405, 400095, 435659, 461286, 512540, 533460, 560133, 622370, 658980, 746844, 768810, 800190, 871318, 922572, 933555, 1120266, 1153215, 1244740, 1306977, 1537620, 1600380, 1742636, 1867110, 2178295, 2240532, 2306430, 2613954, 2800665, 3734220, 3920931, 4356590, 4612860, 5227908, 5601330, 6534885, 7841862, 8713180, 11202660, 13069770, 15683724, 19604655, 26139540, 39209310, 78418620]

約数ペア:

[(1, 78418620), (2, 39209310), (3, 26139540), (4, 19604655), (5, 15683724), (6, 13069770), (7, 11202660), (9, 8713180), (10, 7841862), (12, 6534885), (14, 5601330), (15, 5227908), (17, 4612860), (18, 4356590), (20, 3920931), (21, 3734220), (28, 2800665), (30, 2613954), (34, 2306430), (35, 2240532), (36, 2178295), (42, 1867110), (45, 1742636), (49, 1600380), (51, 1537620), (60, 1306977), (63, 1244740), (68, 1153215), (70, 1120266), (84, 933555), (85, 922572), (90, 871318), (98, 800190), (102, 768810), (105, 746844), (119, 658980), (126, 622370), (140, 560133), (147, 533460), (153, 512540), (170, 461286), (180, 435659), (196, 400095), (204, 384405), (210, 373422), (238, 329490), (245, 320076), (252, 311185), (255, 307524), (294, 266730), (306, 256270), (315, 248948), (340, 230643), (357, 219660), (420, 186711), (441, 177820), (476, 164745), (490, 160038), (510, 153762), (523, 149940), (588, 133365), (595, 131796), (612, 128135), (630, 124474), (714, 109830), (735, 106692), (765, 102508), (833, 94140), (882, 88910), (980, 80019), (1020, 76881), (1046, 74970), (1071, 73220), (1190, 65898), (1260, 62237), (1428, 54915), (1470, 53346), (1530, 51254), (1569, 49980), (1666, 47070), (1764, 44455), (1785, 43932), (2092, 37485), (2142, 36610), (2205, 35564), (2380, 32949), (2499, 31380), (2615, 29988), (2940, 26673), (3060, 25627), (3138, 24990), (3332, 23535), (3570, 21966), (3661, 21420), (4165, 18828), (4284, 18305), (4410, 17782), (4707, 16660), (4998, 15690), (5230, 14994), (5355, 14644), (6276, 12495), (7140, 10983), (7322, 10710), (7497, 10460), (7845, 9996), (8330, 9414), (8820, 8891)]