648408090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{263}}^1$

素因数の和:556

約数の個数: 128

約数和(自身を含む): 1766375424

約数和(自身を除く): 1117967334

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 31, 33, 55, 62, 66, 93, 110, 155, 165, 186, 241, 263, 310, 330, 341, 465, 482, 526, 682, 723, 789, 930, 1023, 1205, 1315, 1446, 1578, 1705, 2046, 2410, 2630, 2651, 2893, 3410, 3615, 3945, 5115, 5302, 5786, 7230, 7471, 7890, 7953, 8153, 8679, 10230, 13255, 14465, 14942, 15906, 16306, 17358, 22413, 24459, 26510, 28930, 37355, 39765, 40765, 43395, 44826, 48918, 63383, 74710, 79530, 81530, 82181, 86790, 89683, 112065, 122295, 126766, 164362, 179366, 190149, 224130, 244590, 246543, 269049, 316915, 380298, 410905, 448415, 493086, 538098, 633830, 697213, 821810, 896830, 950745, 1232715, 1345245, 1394426, 1901490, 1964873, 2091639, 2465430, 2690490, 3486065, 3929746, 4183278, 5894619, 6972130, 9824365, 10458195, 11789238, 19648730, 20916390, 21613603, 29473095, 43227206, 58946190, 64840809, 108068015, 129681618, 216136030, 324204045, 648408090]

約数ペア:

[(1, 648408090), (2, 324204045), (3, 216136030), (5, 129681618), (6, 108068015), (10, 64840809), (11, 58946190), (15, 43227206), (22, 29473095), (30, 21613603), (31, 20916390), (33, 19648730), (55, 11789238), (62, 10458195), (66, 9824365), (93, 6972130), (110, 5894619), (155, 4183278), (165, 3929746), (186, 3486065), (241, 2690490), (263, 2465430), (310, 2091639), (330, 1964873), (341, 1901490), (465, 1394426), (482, 1345245), (526, 1232715), (682, 950745), (723, 896830), (789, 821810), (930, 697213), (1023, 633830), (1205, 538098), (1315, 493086), (1446, 448415), (1578, 410905), (1705, 380298), (2046, 316915), (2410, 269049), (2630, 246543), (2651, 244590), (2893, 224130), (3410, 190149), (3615, 179366), (3945, 164362), (5115, 126766), (5302, 122295), (5786, 112065), (7230, 89683), (7471, 86790), (7890, 82181), (7953, 81530), (8153, 79530), (8679, 74710), (10230, 63383), (13255, 48918), (14465, 44826), (14942, 43395), (15906, 40765), (16306, 39765), (17358, 37355), (22413, 28930), (24459, 26510)]