161766990

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:316

約数の個数: 256

約数和(自身を含む): 557383680

約数和(自身を除く): 395616690

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 27, 30, 31, 33, 35, 42, 45, 54, 55, 62, 63, 66, 70, 77, 90, 93, 99, 105, 110, 126, 135, 154, 155, 165, 186, 189, 198, 210, 217, 231, 251, 270, 279, 297, 310, 315, 330, 341, 378, 385, 434, 462, 465, 495, 502, 558, 594, 630, 651, 682, 693, 753, 770, 837, 930, 945, 990, 1023, 1085, 1155, 1255, 1302, 1386, 1395, 1485, 1506, 1674, 1705, 1757, 1890, 1953, 2046, 2079, 2170, 2259, 2310, 2387, 2510, 2761, 2790, 2970, 3069, 3255, 3410, 3465, 3514, 3765, 3906, 4158, 4185, 4518, 4774, 5115, 5271, 5522, 5859, 6138, 6510, 6777, 6930, 7161, 7530, 7781, 8283, 8370, 8785, 9207, 9765, 10230, 10395, 10542, 11295, 11718, 11935, 13554, 13805, 14322, 15345, 15562, 15813, 16566, 17570, 18414, 19327, 19530, 20790, 21483, 22590, 23343, 23870, 24849, 26355, 27610, 29295, 30690, 31626, 33885, 35805, 38654, 38905, 41415, 42966, 46035, 46686, 47439, 49698, 52710, 54467, 57981, 58590, 64449, 67770, 70029, 71610, 74547, 77810, 79065, 82830, 85591, 92070, 94878, 96635, 107415, 108934, 115962, 116715, 124245, 128898, 140058, 149094, 158130, 163401, 171182, 173943, 193270, 210087, 214830, 233430, 237195, 248490, 256773, 272335, 289905, 322245, 326802, 347886, 350145, 372735, 420174, 427955, 474390, 490203, 513546, 521829, 544670, 579810, 599137, 644490, 700290, 745470, 770319, 817005, 855910, 869715, 980406, 1043658, 1050435, 1198274, 1283865, 1470609, 1540638, 1634010, 1739430, 1797411, 2100870, 2310957, 2451015, 2567730, 2609145, 2941218, 2995685, 3594822, 3851595, 4621914, 4902030, 5218290, 5392233, 5991370, 7353045, 7703190, 8987055, 10784466, 11554785, 14706090, 16176699, 17974110, 23109570, 26961165, 32353398, 53922330, 80883495, 161766990]

約数ペア:

[(1, 161766990), (2, 80883495), (3, 53922330), (5, 32353398), (6, 26961165), (7, 23109570), (9, 17974110), (10, 16176699), (11, 14706090), (14, 11554785), (15, 10784466), (18, 8987055), (21, 7703190), (22, 7353045), (27, 5991370), (30, 5392233), (31, 5218290), (33, 4902030), (35, 4621914), (42, 3851595), (45, 3594822), (54, 2995685), (55, 2941218), (62, 2609145), (63, 2567730), (66, 2451015), (70, 2310957), (77, 2100870), (90, 1797411), (93, 1739430), (99, 1634010), (105, 1540638), (110, 1470609), (126, 1283865), (135, 1198274), (154, 1050435), (155, 1043658), (165, 980406), (186, 869715), (189, 855910), (198, 817005), (210, 770319), (217, 745470), (231, 700290), (251, 644490), (270, 599137), (279, 579810), (297, 544670), (310, 521829), (315, 513546), (330, 490203), (341, 474390), (378, 427955), (385, 420174), (434, 372735), (462, 350145), (465, 347886), (495, 326802), (502, 322245), (558, 289905), (594, 272335), (630, 256773), (651, 248490), (682, 237195), (693, 233430), (753, 214830), (770, 210087), (837, 193270), (930, 173943), (945, 171182), (990, 163401), (1023, 158130), (1085, 149094), (1155, 140058), (1255, 128898), (1302, 124245), (1386, 116715), (1395, 115962), (1485, 108934), (1506, 107415), (1674, 96635), (1705, 94878), (1757, 92070), (1890, 85591), (1953, 82830), (2046, 79065), (2079, 77810), (2170, 74547), (2259, 71610), (2310, 70029), (2387, 67770), (2510, 64449), (2761, 58590), (2790, 57981), (2970, 54467), (3069, 52710), (3255, 49698), (3410, 47439), (3465, 46686), (3514, 46035), (3765, 42966), (3906, 41415), (4158, 38905), (4185, 38654), (4518, 35805), (4774, 33885), (5115, 31626), (5271, 30690), (5522, 29295), (5859, 27610), (6138, 26355), (6510, 24849), (6777, 23870), (6930, 23343), (7161, 22590), (7530, 21483), (7781, 20790), (8283, 19530), (8370, 19327), (8785, 18414), (9207, 17570), (9765, 16566), (10230, 15813), (10395, 15562), (10542, 15345), (11295, 14322), (11718, 13805), (11935, 13554)]