66816540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2791}}^1$

素因数の和:2832

約数の個数: 144

約数和(自身を含む): 243909120

約数和(自身を除く): 177092580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 2791, 3420, 3990, 4788, 5582, 5985, 7980, 8373, 11164, 11970, 13955, 16746, 19537, 23940, 25119, 27910, 33492, 39074, 41865, 50238, 53029, 55820, 58611, 78148, 83730, 97685, 100476, 106058, 117222, 125595, 159087, 167460, 175833, 195370, 212116, 234444, 251190, 265145, 293055, 318174, 351666, 371203, 390740, 477261, 502380, 530290, 586110, 636348, 703332, 742406, 795435, 879165, 954522, 1060580, 1113609, 1172220, 1484812, 1590870, 1758330, 1856015, 1909044, 2227218, 2386305, 3181740, 3340827, 3516660, 3712030, 4454436, 4772610, 5568045, 6681654, 7424060, 9545220, 11136090, 13363308, 16704135, 22272180, 33408270, 66816540]

約数ペア:

[(1, 66816540), (2, 33408270), (3, 22272180), (4, 16704135), (5, 13363308), (6, 11136090), (7, 9545220), (9, 7424060), (10, 6681654), (12, 5568045), (14, 4772610), (15, 4454436), (18, 3712030), (19, 3516660), (20, 3340827), (21, 3181740), (28, 2386305), (30, 2227218), (35, 1909044), (36, 1856015), (38, 1758330), (42, 1590870), (45, 1484812), (57, 1172220), (60, 1113609), (63, 1060580), (70, 954522), (76, 879165), (84, 795435), (90, 742406), (95, 703332), (105, 636348), (114, 586110), (126, 530290), (133, 502380), (140, 477261), (171, 390740), (180, 371203), (190, 351666), (210, 318174), (228, 293055), (252, 265145), (266, 251190), (285, 234444), (315, 212116), (342, 195370), (380, 175833), (399, 167460), (420, 159087), (532, 125595), (570, 117222), (630, 106058), (665, 100476), (684, 97685), (798, 83730), (855, 78148), (1140, 58611), (1197, 55820), (1260, 53029), (1330, 50238), (1596, 41865), (1710, 39074), (1995, 33492), (2394, 27910), (2660, 25119), (2791, 23940), (3420, 19537), (3990, 16746), (4788, 13955), (5582, 11970), (5985, 11164), (7980, 8373)]