205815870

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{307}}^1$

素因数の和:527

約数の個数: 128

約数和(自身を含む): 596090880

約数和(自身を除く): 390275010

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 117, 130, 135, 191, 195, 234, 270, 307, 351, 382, 390, 573, 585, 614, 702, 921, 955, 1146, 1170, 1535, 1719, 1755, 1842, 1910, 2483, 2763, 2865, 3070, 3438, 3510, 3991, 4605, 4966, 5157, 5526, 5730, 7449, 7982, 8289, 8595, 9210, 10314, 11973, 12415, 13815, 14898, 16578, 17190, 19955, 22347, 23946, 24830, 25785, 27630, 35919, 37245, 39910, 41445, 44694, 51570, 58637, 59865, 67041, 71838, 74490, 82890, 107757, 111735, 117274, 119730, 134082, 175911, 179595, 215514, 223470, 293185, 335205, 351822, 359190, 527733, 538785, 586370, 670410, 762281, 879555, 1055466, 1077570, 1524562, 1583199, 1759110, 2286843, 2638665, 3166398, 3811405, 4573686, 5277330, 6860529, 7622810, 7915995, 11434215, 13721058, 15831990, 20581587, 22868430, 34302645, 41163174, 68605290, 102907935, 205815870]

約数ペア:

[(1, 205815870), (2, 102907935), (3, 68605290), (5, 41163174), (6, 34302645), (9, 22868430), (10, 20581587), (13, 15831990), (15, 13721058), (18, 11434215), (26, 7915995), (27, 7622810), (30, 6860529), (39, 5277330), (45, 4573686), (54, 3811405), (65, 3166398), (78, 2638665), (90, 2286843), (117, 1759110), (130, 1583199), (135, 1524562), (191, 1077570), (195, 1055466), (234, 879555), (270, 762281), (307, 670410), (351, 586370), (382, 538785), (390, 527733), (573, 359190), (585, 351822), (614, 335205), (702, 293185), (921, 223470), (955, 215514), (1146, 179595), (1170, 175911), (1535, 134082), (1719, 119730), (1755, 117274), (1842, 111735), (1910, 107757), (2483, 82890), (2763, 74490), (2865, 71838), (3070, 67041), (3438, 59865), (3510, 58637), (3991, 51570), (4605, 44694), (4966, 41445), (5157, 39910), (5526, 37245), (5730, 35919), (7449, 27630), (7982, 25785), (8289, 24830), (8595, 23946), (9210, 22347), (10314, 19955), (11973, 17190), (12415, 16578), (13815, 14898)]