638066520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19477}}^1$

素因数の和:19514

約数の個数: 192

約数和(自身を含む): 2552397120

約数和(自身を除く): 1914330600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 52, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 117, 120, 126, 130, 140, 156, 168, 180, 182, 195, 210, 234, 252, 260, 273, 280, 312, 315, 360, 364, 390, 420, 455, 468, 504, 520, 546, 585, 630, 728, 780, 819, 840, 910, 936, 1092, 1170, 1260, 1365, 1560, 1638, 1820, 2184, 2340, 2520, 2730, 3276, 3640, 4095, 4680, 5460, 6552, 8190, 10920, 16380, 19477, 32760, 38954, 58431, 77908, 97385, 116862, 136339, 155816, 175293, 194770, 233724, 253201, 272678, 292155, 350586, 389540, 409017, 467448, 506402, 545356, 584310, 681695, 701172, 759603, 779080, 818034, 876465, 1012804, 1090712, 1168620, 1227051, 1266005, 1363390, 1402344, 1519206, 1636068, 1752930, 1772407, 2025608, 2045085, 2278809, 2337240, 2454102, 2532010, 2726780, 3038412, 3272136, 3505860, 3544814, 3798015, 4090170, 4557618, 4908204, 5064020, 5317221, 5453560, 6076824, 6135255, 7011720, 7089628, 7596030, 8180340, 8862035, 9115236, 9816408, 10128040, 10634442, 11394045, 12270510, 14179256, 15192060, 15951663, 16360680, 17724070, 18230472, 21268884, 22788090, 24541020, 26586105, 30384120, 31903326, 35448140, 42537768, 45576180, 49082040, 53172210, 63806652, 70896280, 79758315, 91152360, 106344420, 127613304, 159516630, 212688840, 319033260, 638066520]

約数ペア:

[(1, 638066520), (2, 319033260), (3, 212688840), (4, 159516630), (5, 127613304), (6, 106344420), (7, 91152360), (8, 79758315), (9, 70896280), (10, 63806652), (12, 53172210), (13, 49082040), (14, 45576180), (15, 42537768), (18, 35448140), (20, 31903326), (21, 30384120), (24, 26586105), (26, 24541020), (28, 22788090), (30, 21268884), (35, 18230472), (36, 17724070), (39, 16360680), (40, 15951663), (42, 15192060), (45, 14179256), (52, 12270510), (56, 11394045), (60, 10634442), (63, 10128040), (65, 9816408), (70, 9115236), (72, 8862035), (78, 8180340), (84, 7596030), (90, 7089628), (91, 7011720), (104, 6135255), (105, 6076824), (117, 5453560), (120, 5317221), (126, 5064020), (130, 4908204), (140, 4557618), (156, 4090170), (168, 3798015), (180, 3544814), (182, 3505860), (195, 3272136), (210, 3038412), (234, 2726780), (252, 2532010), (260, 2454102), (273, 2337240), (280, 2278809), (312, 2045085), (315, 2025608), (360, 1772407), (364, 1752930), (390, 1636068), (420, 1519206), (455, 1402344), (468, 1363390), (504, 1266005), (520, 1227051), (546, 1168620), (585, 1090712), (630, 1012804), (728, 876465), (780, 818034), (819, 779080), (840, 759603), (910, 701172), (936, 681695), (1092, 584310), (1170, 545356), (1260, 506402), (1365, 467448), (1560, 409017), (1638, 389540), (1820, 350586), (2184, 292155), (2340, 272678), (2520, 253201), (2730, 233724), (3276, 194770), (3640, 175293), (4095, 155816), (4680, 136339), (5460, 116862), (6552, 97385), (8190, 77908), (10920, 58431), (16380, 38954), (19477, 32760)]