1905540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1$

素因数の和:381

約数の個数: 96

約数和(自身を含む): 6585600

約数和(自身を除く): 4680060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 349, 364, 390, 420, 455, 546, 698, 780, 910, 1047, 1092, 1365, 1396, 1745, 1820, 2094, 2443, 2730, 3490, 4188, 4537, 4886, 5235, 5460, 6980, 7329, 9074, 9772, 10470, 12215, 13611, 14658, 18148, 20940, 22685, 24430, 27222, 29316, 31759, 36645, 45370, 48860, 54444, 63518, 68055, 73290, 90740, 95277, 127036, 136110, 146580, 158795, 190554, 272220, 317590, 381108, 476385, 635180, 952770, 1905540]

約数ペア:

[(1, 1905540), (2, 952770), (3, 635180), (4, 476385), (5, 381108), (6, 317590), (7, 272220), (10, 190554), (12, 158795), (13, 146580), (14, 136110), (15, 127036), (20, 95277), (21, 90740), (26, 73290), (28, 68055), (30, 63518), (35, 54444), (39, 48860), (42, 45370), (52, 36645), (60, 31759), (65, 29316), (70, 27222), (78, 24430), (84, 22685), (91, 20940), (105, 18148), (130, 14658), (140, 13611), (156, 12215), (182, 10470), (195, 9772), (210, 9074), (260, 7329), (273, 6980), (349, 5460), (364, 5235), (390, 4886), (420, 4537), (455, 4188), (546, 3490), (698, 2730), (780, 2443), (910, 2094), (1047, 1820), (1092, 1745), (1365, 1396)]