27937980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:433

約数の個数: 192

約数和(自身を含む): 104832000

約数和(自身を除く): 76894020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 54, 57, 60, 63, 70, 76, 84, 90, 95, 105, 108, 114, 126, 133, 135, 140, 171, 180, 189, 190, 210, 228, 252, 266, 270, 285, 315, 342, 378, 380, 389, 399, 420, 513, 532, 540, 570, 630, 665, 684, 756, 778, 798, 855, 945, 1026, 1140, 1167, 1197, 1260, 1330, 1556, 1596, 1710, 1890, 1945, 1995, 2052, 2334, 2394, 2565, 2660, 2723, 3420, 3501, 3591, 3780, 3890, 3990, 4668, 4788, 5130, 5446, 5835, 5985, 7002, 7182, 7391, 7780, 7980, 8169, 10260, 10503, 10892, 11670, 11970, 13615, 14004, 14364, 14782, 16338, 17505, 17955, 21006, 22173, 23340, 23940, 24507, 27230, 29564, 32676, 35010, 35910, 36955, 40845, 42012, 44346, 49014, 51737, 52515, 54460, 66519, 70020, 71820, 73521, 73910, 81690, 88692, 98028, 103474, 105030, 110865, 122535, 133038, 147042, 147820, 155211, 163380, 199557, 206948, 210060, 221730, 245070, 258685, 266076, 294084, 310422, 332595, 367605, 399114, 443460, 465633, 490140, 517370, 620844, 665190, 735210, 776055, 798228, 931266, 997785, 1034740, 1330380, 1396899, 1470420, 1552110, 1862532, 1995570, 2328165, 2793798, 3104220, 3991140, 4656330, 5587596, 6984495, 9312660, 13968990, 27937980]

約数ペア:

[(1, 27937980), (2, 13968990), (3, 9312660), (4, 6984495), (5, 5587596), (6, 4656330), (7, 3991140), (9, 3104220), (10, 2793798), (12, 2328165), (14, 1995570), (15, 1862532), (18, 1552110), (19, 1470420), (20, 1396899), (21, 1330380), (27, 1034740), (28, 997785), (30, 931266), (35, 798228), (36, 776055), (38, 735210), (42, 665190), (45, 620844), (54, 517370), (57, 490140), (60, 465633), (63, 443460), (70, 399114), (76, 367605), (84, 332595), (90, 310422), (95, 294084), (105, 266076), (108, 258685), (114, 245070), (126, 221730), (133, 210060), (135, 206948), (140, 199557), (171, 163380), (180, 155211), (189, 147820), (190, 147042), (210, 133038), (228, 122535), (252, 110865), (266, 105030), (270, 103474), (285, 98028), (315, 88692), (342, 81690), (378, 73910), (380, 73521), (389, 71820), (399, 70020), (420, 66519), (513, 54460), (532, 52515), (540, 51737), (570, 49014), (630, 44346), (665, 42012), (684, 40845), (756, 36955), (778, 35910), (798, 35010), (855, 32676), (945, 29564), (1026, 27230), (1140, 24507), (1167, 23940), (1197, 23340), (1260, 22173), (1330, 21006), (1556, 17955), (1596, 17505), (1710, 16338), (1890, 14782), (1945, 14364), (1995, 14004), (2052, 13615), (2334, 11970), (2394, 11670), (2565, 10892), (2660, 10503), (2723, 10260), (3420, 8169), (3501, 7980), (3591, 7780), (3780, 7391), (3890, 7182), (3990, 7002), (4668, 5985), (4788, 5835), (5130, 5446)]