641181660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{467}}^2$

素因数の和:960

約数の個数: 108

約数和(自身を含む): 2092901832

約数和(自身を除く): 1451720172

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 467, 490, 588, 735, 934, 980, 1401, 1470, 1868, 2335, 2802, 2940, 3269, 4670, 5604, 6538, 7005, 9340, 9807, 13076, 14010, 16345, 19614, 22883, 28020, 32690, 39228, 45766, 49035, 65380, 68649, 91532, 98070, 114415, 137298, 196140, 218089, 228830, 274596, 343245, 436178, 457660, 654267, 686490, 872356, 1090445, 1308534, 1372980, 1526623, 2180890, 2617068, 3053246, 3271335, 4361780, 4579869, 6106492, 6542670, 7633115, 9159738, 10686361, 13085340, 15266230, 18319476, 21372722, 22899345, 30532460, 32059083, 42745444, 45798690, 53431805, 64118166, 91597380, 106863610, 128236332, 160295415, 213727220, 320590830, 641181660]

約数ペア:

[(1, 641181660), (2, 320590830), (3, 213727220), (4, 160295415), (5, 128236332), (6, 106863610), (7, 91597380), (10, 64118166), (12, 53431805), (14, 45798690), (15, 42745444), (20, 32059083), (21, 30532460), (28, 22899345), (30, 21372722), (35, 18319476), (42, 15266230), (49, 13085340), (60, 10686361), (70, 9159738), (84, 7633115), (98, 6542670), (105, 6106492), (140, 4579869), (147, 4361780), (196, 3271335), (210, 3053246), (245, 2617068), (294, 2180890), (420, 1526623), (467, 1372980), (490, 1308534), (588, 1090445), (735, 872356), (934, 686490), (980, 654267), (1401, 457660), (1470, 436178), (1868, 343245), (2335, 274596), (2802, 228830), (2940, 218089), (3269, 196140), (4670, 137298), (5604, 114415), (6538, 98070), (7005, 91532), (9340, 68649), (9807, 65380), (13076, 49035), (14010, 45766), (16345, 39228), (19614, 32690), (22883, 28020)]