81116700

素因数分解:

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

素因数の和:169

約数の個数: 216

約数和(自身を含む): 285731712

約数和(自身を除く): 204615012

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 25, 28, 30, 35, 38, 42, 50, 57, 60, 70, 75, 76, 84, 95, 100, 105, 107, 114, 133, 140, 150, 175, 190, 210, 214, 228, 266, 285, 300, 321, 350, 361, 380, 399, 420, 428, 475, 525, 532, 535, 570, 642, 665, 700, 722, 749, 798, 950, 1050, 1070, 1083, 1140, 1284, 1330, 1425, 1444, 1498, 1596, 1605, 1805, 1900, 1995, 2033, 2100, 2140, 2166, 2247, 2527, 2660, 2675, 2850, 2996, 3210, 3325, 3610, 3745, 3990, 4066, 4332, 4494, 5054, 5350, 5415, 5700, 6099, 6420, 6650, 7220, 7490, 7581, 7980, 8025, 8132, 8988, 9025, 9975, 10108, 10165, 10700, 10830, 11235, 12198, 12635, 13300, 14231, 14980, 15162, 16050, 18050, 18725, 19950, 20330, 21660, 22470, 24396, 25270, 27075, 28462, 30324, 30495, 32100, 36100, 37450, 37905, 38627, 39900, 40660, 42693, 44940, 50540, 50825, 54150, 56175, 56924, 60990, 63175, 71155, 74900, 75810, 77254, 85386, 101650, 108300, 112350, 115881, 121980, 126350, 142310, 151620, 152475, 154508, 170772, 189525, 193135, 203300, 213465, 224700, 231762, 252700, 270389, 284620, 304950, 355775, 379050, 386270, 426930, 463524, 540778, 579405, 609900, 711550, 758100, 772540, 811167, 853860, 965675, 1067325, 1081556, 1158810, 1351945, 1423100, 1622334, 1931350, 2134650, 2317620, 2703890, 2897025, 3244668, 3862700, 4055835, 4269300, 5407780, 5794050, 6759725, 8111670, 11588100, 13519450, 16223340, 20279175, 27038900, 40558350, 81116700]

約数ペア:

[(1, 81116700), (2, 40558350), (3, 27038900), (4, 20279175), (5, 16223340), (6, 13519450), (7, 11588100), (10, 8111670), (12, 6759725), (14, 5794050), (15, 5407780), (19, 4269300), (20, 4055835), (21, 3862700), (25, 3244668), (28, 2897025), (30, 2703890), (35, 2317620), (38, 2134650), (42, 1931350), (50, 1622334), (57, 1423100), (60, 1351945), (70, 1158810), (75, 1081556), (76, 1067325), (84, 965675), (95, 853860), (100, 811167), (105, 772540), (107, 758100), (114, 711550), (133, 609900), (140, 579405), (150, 540778), (175, 463524), (190, 426930), (210, 386270), (214, 379050), (228, 355775), (266, 304950), (285, 284620), (300, 270389), (321, 252700), (350, 231762), (361, 224700), (380, 213465), (399, 203300), (420, 193135), (428, 189525), (475, 170772), (525, 154508), (532, 152475), (535, 151620), (570, 142310), (642, 126350), (665, 121980), (700, 115881), (722, 112350), (749, 108300), (798, 101650), (950, 85386), (1050, 77254), (1070, 75810), (1083, 74900), (1140, 71155), (1284, 63175), (1330, 60990), (1425, 56924), (1444, 56175), (1498, 54150), (1596, 50825), (1605, 50540), (1805, 44940), (1900, 42693), (1995, 40660), (2033, 39900), (2100, 38627), (2140, 37905), (2166, 37450), (2247, 36100), (2527, 32100), (2660, 30495), (2675, 30324), (2850, 28462), (2996, 27075), (3210, 25270), (3325, 24396), (3610, 22470), (3745, 21660), (3990, 20330), (4066, 19950), (4332, 18725), (4494, 18050), (5054, 16050), (5350, 15162), (5415, 14980), (5700, 14231), (6099, 13300), (6420, 12635), (6650, 12198), (7220, 11235), (7490, 10830), (7581, 10700), (7980, 10165), (8025, 10108), (8132, 9975), (8988, 9025)]