311257980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:529

約数の個数: 216

約数和(自身を含む): 1073584512

約数和(自身を除く): 762326532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 31, 33, 36, 44, 45, 55, 60, 62, 66, 90, 93, 99, 110, 121, 124, 132, 155, 165, 180, 186, 198, 220, 242, 279, 310, 330, 341, 363, 372, 396, 461, 465, 484, 495, 558, 605, 620, 660, 682, 726, 922, 930, 990, 1023, 1089, 1116, 1210, 1364, 1383, 1395, 1452, 1705, 1815, 1844, 1860, 1980, 2046, 2178, 2305, 2420, 2766, 2790, 3069, 3410, 3630, 3751, 4092, 4149, 4356, 4610, 5071, 5115, 5445, 5532, 5580, 6138, 6820, 6915, 7260, 7502, 8298, 9220, 10142, 10230, 10890, 11253, 12276, 13830, 14291, 15004, 15213, 15345, 16596, 18755, 20284, 20460, 20745, 21780, 22506, 25355, 27660, 28582, 30426, 30690, 33759, 37510, 41490, 42873, 45012, 45639, 50710, 55781, 56265, 57164, 60852, 61380, 67518, 71455, 75020, 76065, 82980, 85746, 91278, 101420, 111562, 112530, 128619, 135036, 142910, 152130, 157201, 167343, 168795, 171492, 182556, 214365, 223124, 225060, 228195, 257238, 278905, 285820, 304260, 314402, 334686, 337590, 428730, 456390, 471603, 502029, 514476, 557810, 628804, 643095, 669372, 675180, 786005, 836715, 857460, 912780, 943206, 1004058, 1115620, 1286190, 1414809, 1572010, 1673430, 1729211, 1886412, 2008116, 2358015, 2510145, 2572380, 2829618, 3144020, 3346860, 3458422, 4716030, 5020290, 5187633, 5659236, 6916844, 7074045, 8646055, 9432060, 10040580, 10375266, 14148090, 15562899, 17292110, 20750532, 25938165, 28296180, 31125798, 34584220, 51876330, 62251596, 77814495, 103752660, 155628990, 311257980]

約数ペア:

[(1, 311257980), (2, 155628990), (3, 103752660), (4, 77814495), (5, 62251596), (6, 51876330), (9, 34584220), (10, 31125798), (11, 28296180), (12, 25938165), (15, 20750532), (18, 17292110), (20, 15562899), (22, 14148090), (30, 10375266), (31, 10040580), (33, 9432060), (36, 8646055), (44, 7074045), (45, 6916844), (55, 5659236), (60, 5187633), (62, 5020290), (66, 4716030), (90, 3458422), (93, 3346860), (99, 3144020), (110, 2829618), (121, 2572380), (124, 2510145), (132, 2358015), (155, 2008116), (165, 1886412), (180, 1729211), (186, 1673430), (198, 1572010), (220, 1414809), (242, 1286190), (279, 1115620), (310, 1004058), (330, 943206), (341, 912780), (363, 857460), (372, 836715), (396, 786005), (461, 675180), (465, 669372), (484, 643095), (495, 628804), (558, 557810), (605, 514476), (620, 502029), (660, 471603), (682, 456390), (726, 428730), (922, 337590), (930, 334686), (990, 314402), (1023, 304260), (1089, 285820), (1116, 278905), (1210, 257238), (1364, 228195), (1383, 225060), (1395, 223124), (1452, 214365), (1705, 182556), (1815, 171492), (1844, 168795), (1860, 167343), (1980, 157201), (2046, 152130), (2178, 142910), (2305, 135036), (2420, 128619), (2766, 112530), (2790, 111562), (3069, 101420), (3410, 91278), (3630, 85746), (3751, 82980), (4092, 76065), (4149, 75020), (4356, 71455), (4610, 67518), (5071, 61380), (5115, 60852), (5445, 57164), (5532, 56265), (5580, 55781), (6138, 50710), (6820, 45639), (6915, 45012), (7260, 42873), (7502, 41490), (8298, 37510), (9220, 33759), (10142, 30690), (10230, 30426), (10890, 28582), (11253, 27660), (12276, 25355), (13830, 22506), (14291, 21780), (15004, 20745), (15213, 20460), (15345, 20284), (16596, 18755)]