15686580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1$

素因数の和:75

約数の個数: 192

約数和(自身を含む): 57576960

約数和(自身を除く): 41890380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 17, 20, 21, 26, 28, 30, 34, 35, 39, 42, 51, 52, 60, 65, 68, 70, 78, 84, 85, 91, 102, 105, 119, 130, 140, 156, 169, 170, 182, 195, 204, 210, 221, 238, 255, 260, 273, 338, 340, 357, 364, 390, 420, 442, 455, 476, 507, 510, 546, 595, 663, 676, 714, 780, 845, 884, 910, 1014, 1020, 1092, 1105, 1183, 1190, 1326, 1365, 1428, 1547, 1690, 1785, 1820, 2028, 2197, 2210, 2366, 2380, 2535, 2652, 2730, 2873, 3094, 3315, 3380, 3549, 3570, 4394, 4420, 4641, 4732, 5070, 5460, 5746, 5915, 6188, 6591, 6630, 7098, 7140, 7735, 8619, 8788, 9282, 10140, 10985, 11492, 11830, 13182, 13260, 14196, 14365, 15379, 15470, 17238, 17745, 18564, 20111, 21970, 23205, 23660, 26364, 28730, 30758, 30940, 32955, 34476, 35490, 37349, 40222, 43095, 43940, 46137, 46410, 57460, 60333, 61516, 65910, 70980, 74698, 76895, 80444, 86190, 92274, 92820, 100555, 112047, 120666, 131820, 149396, 153790, 172380, 184548, 186745, 201110, 224094, 230685, 241332, 261443, 301665, 307580, 373490, 402220, 448188, 461370, 522886, 560235, 603330, 746980, 784329, 922740, 1045772, 1120470, 1206660, 1307215, 1568658, 2240940, 2614430, 3137316, 3921645, 5228860, 7843290, 15686580]

約数ペア:

[(1, 15686580), (2, 7843290), (3, 5228860), (4, 3921645), (5, 3137316), (6, 2614430), (7, 2240940), (10, 1568658), (12, 1307215), (13, 1206660), (14, 1120470), (15, 1045772), (17, 922740), (20, 784329), (21, 746980), (26, 603330), (28, 560235), (30, 522886), (34, 461370), (35, 448188), (39, 402220), (42, 373490), (51, 307580), (52, 301665), (60, 261443), (65, 241332), (68, 230685), (70, 224094), (78, 201110), (84, 186745), (85, 184548), (91, 172380), (102, 153790), (105, 149396), (119, 131820), (130, 120666), (140, 112047), (156, 100555), (169, 92820), (170, 92274), (182, 86190), (195, 80444), (204, 76895), (210, 74698), (221, 70980), (238, 65910), (255, 61516), (260, 60333), (273, 57460), (338, 46410), (340, 46137), (357, 43940), (364, 43095), (390, 40222), (420, 37349), (442, 35490), (455, 34476), (476, 32955), (507, 30940), (510, 30758), (546, 28730), (595, 26364), (663, 23660), (676, 23205), (714, 21970), (780, 20111), (845, 18564), (884, 17745), (910, 17238), (1014, 15470), (1020, 15379), (1092, 14365), (1105, 14196), (1183, 13260), (1190, 13182), (1326, 11830), (1365, 11492), (1428, 10985), (1547, 10140), (1690, 9282), (1785, 8788), (1820, 8619), (2028, 7735), (2197, 7140), (2210, 7098), (2366, 6630), (2380, 6591), (2535, 6188), (2652, 5915), (2730, 5746), (2873, 5460), (3094, 5070), (3315, 4732), (3380, 4641), (3549, 4420), (3570, 4394)]