257331060

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3583}}^1$

素因数の和:3627

約数の個数: 192

約数和(自身を含む): 963379200

約数和(自身を除く): 706048140

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, 399, 420, 513, 532, 540, 570, 630, 665, 684, 756, 798, 855, 945, 1026, 1140, 1197, 1260, 1330, 1596, 1710, 1890, 1995, 2052, 2394, 2565, 2660, 3420, 3583, 3591, 3780, 3990, 4788, 5130, 5985, 7166, 7182, 7980, 10260, 10749, 11970, 14332, 14364, 17915, 17955, 21498, 23940, 25081, 32247, 35830, 35910, 42996, 50162, 53745, 64494, 68077, 71660, 71820, 75243, 96741, 100324, 107490, 125405, 128988, 136154, 150486, 161235, 193482, 204231, 214980, 225729, 250810, 272308, 300972, 322470, 340385, 376215, 386964, 408462, 451458, 476539, 483705, 501620, 612693, 644940, 677187, 680770, 752430, 816924, 902916, 953078, 967410, 1021155, 1128645, 1225386, 1354374, 1361540, 1429617, 1504860, 1838079, 1906156, 1934820, 2042310, 2257290, 2382695, 2450772, 2708748, 2859234, 3063465, 3385935, 3676158, 4084620, 4288851, 4514580, 4765390, 5718468, 6126930, 6771870, 7148085, 7352316, 8577702, 9190395, 9530780, 12253860, 12866553, 13543740, 14296170, 17155404, 18380790, 21444255, 25733106, 28592340, 36761580, 42888510, 51466212, 64332765, 85777020, 128665530, 257331060]

約数ペア:

[(1, 257331060), (2, 128665530), (3, 85777020), (4, 64332765), (5, 51466212), (6, 42888510), (7, 36761580), (9, 28592340), (10, 25733106), (12, 21444255), (14, 18380790), (15, 17155404), (18, 14296170), (19, 13543740), (20, 12866553), (21, 12253860), (27, 9530780), (28, 9190395), (30, 8577702), (35, 7352316), (36, 7148085), (38, 6771870), (42, 6126930), (45, 5718468), (54, 4765390), (57, 4514580), (60, 4288851), (63, 4084620), (70, 3676158), (76, 3385935), (84, 3063465), (90, 2859234), (95, 2708748), (105, 2450772), (108, 2382695), (114, 2257290), (126, 2042310), (133, 1934820), (135, 1906156), (140, 1838079), (171, 1504860), (180, 1429617), (189, 1361540), (190, 1354374), (210, 1225386), (228, 1128645), (252, 1021155), (266, 967410), (270, 953078), (285, 902916), (315, 816924), (342, 752430), (378, 680770), (380, 677187), (399, 644940), (420, 612693), (513, 501620), (532, 483705), (540, 476539), (570, 451458), (630, 408462), (665, 386964), (684, 376215), (756, 340385), (798, 322470), (855, 300972), (945, 272308), (1026, 250810), (1140, 225729), (1197, 214980), (1260, 204231), (1330, 193482), (1596, 161235), (1710, 150486), (1890, 136154), (1995, 128988), (2052, 125405), (2394, 107490), (2565, 100324), (2660, 96741), (3420, 75243), (3583, 71820), (3591, 71660), (3780, 68077), (3990, 64494), (4788, 53745), (5130, 50162), (5985, 42996), (7166, 35910), (7182, 35830), (7980, 32247), (10260, 25081), (10749, 23940), (11970, 21498), (14332, 17955), (14364, 17915)]