55720350

素因数分解:

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

素因数の和:77

約数の個数: 216

約数和(自身を含む): 184251600

約数和(自身を除く): 128531250

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 25, 30, 35, 38, 42, 45, 49, 50, 57, 63, 70, 75, 90, 95, 98, 105, 114, 126, 133, 147, 150, 171, 175, 190, 210, 225, 245, 266, 285, 294, 315, 342, 343, 350, 361, 399, 441, 450, 475, 490, 525, 570, 630, 665, 686, 722, 735, 798, 855, 882, 931, 950, 1029, 1050, 1083, 1197, 1225, 1330, 1425, 1470, 1575, 1710, 1715, 1805, 1862, 1995, 2058, 2166, 2205, 2394, 2450, 2527, 2793, 2850, 3087, 3150, 3249, 3325, 3430, 3610, 3675, 3990, 4275, 4410, 4655, 5054, 5145, 5415, 5586, 5985, 6174, 6498, 6517, 6650, 7350, 7581, 8379, 8550, 8575, 9025, 9310, 9975, 10290, 10830, 11025, 11970, 12635, 13034, 13965, 15162, 15435, 16245, 16758, 17150, 17689, 18050, 19551, 19950, 22050, 22743, 23275, 25270, 25725, 27075, 27930, 29925, 30870, 32490, 32585, 35378, 37905, 39102, 41895, 45486, 46550, 51450, 53067, 54150, 58653, 59850, 63175, 65170, 69825, 75810, 77175, 81225, 83790, 88445, 97755, 106134, 113715, 117306, 123823, 126350, 139650, 154350, 159201, 162450, 162925, 176890, 189525, 195510, 209475, 227430, 247646, 265335, 293265, 318402, 325850, 371469, 379050, 418950, 442225, 488775, 530670, 568575, 586530, 619115, 742938, 796005, 884450, 977550, 1114407, 1137150, 1238230, 1326675, 1466325, 1592010, 1857345, 2228814, 2653350, 2932650, 3095575, 3714690, 3980025, 5572035, 6191150, 7960050, 9286725, 11144070, 18573450, 27860175, 55720350]

約数ペア:

[(1, 55720350), (2, 27860175), (3, 18573450), (5, 11144070), (6, 9286725), (7, 7960050), (9, 6191150), (10, 5572035), (14, 3980025), (15, 3714690), (18, 3095575), (19, 2932650), (21, 2653350), (25, 2228814), (30, 1857345), (35, 1592010), (38, 1466325), (42, 1326675), (45, 1238230), (49, 1137150), (50, 1114407), (57, 977550), (63, 884450), (70, 796005), (75, 742938), (90, 619115), (95, 586530), (98, 568575), (105, 530670), (114, 488775), (126, 442225), (133, 418950), (147, 379050), (150, 371469), (171, 325850), (175, 318402), (190, 293265), (210, 265335), (225, 247646), (245, 227430), (266, 209475), (285, 195510), (294, 189525), (315, 176890), (342, 162925), (343, 162450), (350, 159201), (361, 154350), (399, 139650), (441, 126350), (450, 123823), (475, 117306), (490, 113715), (525, 106134), (570, 97755), (630, 88445), (665, 83790), (686, 81225), (722, 77175), (735, 75810), (798, 69825), (855, 65170), (882, 63175), (931, 59850), (950, 58653), (1029, 54150), (1050, 53067), (1083, 51450), (1197, 46550), (1225, 45486), (1330, 41895), (1425, 39102), (1470, 37905), (1575, 35378), (1710, 32585), (1715, 32490), (1805, 30870), (1862, 29925), (1995, 27930), (2058, 27075), (2166, 25725), (2205, 25270), (2394, 23275), (2450, 22743), (2527, 22050), (2793, 19950), (2850, 19551), (3087, 18050), (3150, 17689), (3249, 17150), (3325, 16758), (3430, 16245), (3610, 15435), (3675, 15162), (3990, 13965), (4275, 13034), (4410, 12635), (4655, 11970), (5054, 11025), (5145, 10830), (5415, 10290), (5586, 9975), (5985, 9310), (6174, 9025), (6498, 8575), (6517, 8550), (6650, 8379), (7350, 7581)]