61781850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:269

約数の個数: 144

約数和(自身を含む): 182800800

約数和(自身を除く): 121018950

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 59, 65, 75, 78, 90, 117, 118, 130, 150, 177, 179, 195, 225, 234, 295, 325, 354, 358, 390, 450, 531, 537, 585, 590, 650, 767, 885, 895, 975, 1062, 1074, 1170, 1475, 1534, 1611, 1770, 1790, 1950, 2301, 2327, 2655, 2685, 2925, 2950, 3222, 3835, 4425, 4475, 4602, 4654, 5310, 5370, 5850, 6903, 6981, 7670, 8055, 8850, 8950, 10561, 11505, 11635, 13275, 13425, 13806, 13962, 16110, 19175, 20943, 21122, 23010, 23270, 26550, 26850, 31683, 34515, 34905, 38350, 40275, 41886, 52805, 57525, 58175, 63366, 69030, 69810, 80550, 95049, 104715, 105610, 115050, 116350, 137293, 158415, 172575, 174525, 190098, 209430, 264025, 274586, 316830, 345150, 349050, 411879, 475245, 523575, 528050, 686465, 792075, 823758, 950490, 1047150, 1235637, 1372930, 1584150, 2059395, 2376225, 2471274, 3432325, 4118790, 4752450, 6178185, 6864650, 10296975, 12356370, 20593950, 30890925, 61781850]

約数ペア:

[(1, 61781850), (2, 30890925), (3, 20593950), (5, 12356370), (6, 10296975), (9, 6864650), (10, 6178185), (13, 4752450), (15, 4118790), (18, 3432325), (25, 2471274), (26, 2376225), (30, 2059395), (39, 1584150), (45, 1372930), (50, 1235637), (59, 1047150), (65, 950490), (75, 823758), (78, 792075), (90, 686465), (117, 528050), (118, 523575), (130, 475245), (150, 411879), (177, 349050), (179, 345150), (195, 316830), (225, 274586), (234, 264025), (295, 209430), (325, 190098), (354, 174525), (358, 172575), (390, 158415), (450, 137293), (531, 116350), (537, 115050), (585, 105610), (590, 104715), (650, 95049), (767, 80550), (885, 69810), (895, 69030), (975, 63366), (1062, 58175), (1074, 57525), (1170, 52805), (1475, 41886), (1534, 40275), (1611, 38350), (1770, 34905), (1790, 34515), (1950, 31683), (2301, 26850), (2327, 26550), (2655, 23270), (2685, 23010), (2925, 21122), (2950, 20943), (3222, 19175), (3835, 16110), (4425, 13962), (4475, 13806), (4602, 13425), (4654, 13275), (5310, 11635), (5370, 11505), (5850, 10561), (6903, 8950), (6981, 8850), (7670, 8055)]