12807900

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:153

約数の個数: 216

約数和(自身を含む): 48746880

約数和(自身を除く): 35938980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 25, 28, 30, 35, 36, 38, 42, 45, 50, 57, 60, 63, 70, 75, 76, 84, 90, 95, 100, 105, 107, 114, 126, 133, 140, 150, 171, 175, 180, 190, 210, 214, 225, 228, 252, 266, 285, 300, 315, 321, 342, 350, 380, 399, 420, 428, 450, 475, 525, 532, 535, 570, 630, 642, 665, 684, 700, 749, 798, 855, 900, 950, 963, 1050, 1070, 1140, 1197, 1260, 1284, 1330, 1425, 1498, 1575, 1596, 1605, 1710, 1900, 1926, 1995, 2033, 2100, 2140, 2247, 2394, 2660, 2675, 2850, 2996, 3150, 3210, 3325, 3420, 3745, 3852, 3990, 4066, 4275, 4494, 4788, 4815, 5350, 5700, 5985, 6099, 6300, 6420, 6650, 6741, 7490, 7980, 8025, 8132, 8550, 8988, 9630, 9975, 10165, 10700, 11235, 11970, 12198, 13300, 13482, 14231, 14980, 16050, 17100, 18297, 18725, 19260, 19950, 20330, 22470, 23940, 24075, 24396, 26964, 28462, 29925, 30495, 32100, 33705, 36594, 37450, 39900, 40660, 42693, 44940, 48150, 50825, 56175, 56924, 59850, 60990, 67410, 71155, 73188, 74900, 85386, 91485, 96300, 101650, 112350, 119700, 121980, 128079, 134820, 142310, 152475, 168525, 170772, 182970, 203300, 213465, 224700, 256158, 284620, 304950, 337050, 355775, 365940, 426930, 457425, 512316, 609900, 640395, 674100, 711550, 853860, 914850, 1067325, 1280790, 1423100, 1829700, 2134650, 2561580, 3201975, 4269300, 6403950, 12807900]

約数ペア:

[(1, 12807900), (2, 6403950), (3, 4269300), (4, 3201975), (5, 2561580), (6, 2134650), (7, 1829700), (9, 1423100), (10, 1280790), (12, 1067325), (14, 914850), (15, 853860), (18, 711550), (19, 674100), (20, 640395), (21, 609900), (25, 512316), (28, 457425), (30, 426930), (35, 365940), (36, 355775), (38, 337050), (42, 304950), (45, 284620), (50, 256158), (57, 224700), (60, 213465), (63, 203300), (70, 182970), (75, 170772), (76, 168525), (84, 152475), (90, 142310), (95, 134820), (100, 128079), (105, 121980), (107, 119700), (114, 112350), (126, 101650), (133, 96300), (140, 91485), (150, 85386), (171, 74900), (175, 73188), (180, 71155), (190, 67410), (210, 60990), (214, 59850), (225, 56924), (228, 56175), (252, 50825), (266, 48150), (285, 44940), (300, 42693), (315, 40660), (321, 39900), (342, 37450), (350, 36594), (380, 33705), (399, 32100), (420, 30495), (428, 29925), (450, 28462), (475, 26964), (525, 24396), (532, 24075), (535, 23940), (570, 22470), (630, 20330), (642, 19950), (665, 19260), (684, 18725), (700, 18297), (749, 17100), (798, 16050), (855, 14980), (900, 14231), (950, 13482), (963, 13300), (1050, 12198), (1070, 11970), (1140, 11235), (1197, 10700), (1260, 10165), (1284, 9975), (1330, 9630), (1425, 8988), (1498, 8550), (1575, 8132), (1596, 8025), (1605, 7980), (1710, 7490), (1900, 6741), (1926, 6650), (1995, 6420), (2033, 6300), (2100, 6099), (2140, 5985), (2247, 5700), (2394, 5350), (2660, 4815), (2675, 4788), (2850, 4494), (2996, 4275), (3150, 4066), (3210, 3990), (3325, 3852), (3420, 3745)]