823984980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{21559}}^1$

素因数の和:21598

約数の個数: 144

約数和(自身を含む): 2890419840

約数和(自身を除く): 2066434860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 364, 390, 420, 455, 490, 546, 588, 637, 735, 780, 910, 980, 1092, 1274, 1365, 1470, 1820, 1911, 2548, 2730, 2940, 3185, 3822, 5460, 6370, 7644, 9555, 12740, 19110, 21559, 38220, 43118, 64677, 86236, 107795, 129354, 150913, 215590, 258708, 280267, 301826, 323385, 431180, 452739, 560534, 603652, 646770, 754565, 840801, 905478, 1056391, 1121068, 1293540, 1401335, 1509130, 1681602, 1810956, 1961869, 2112782, 2263695, 2802670, 3018260, 3169173, 3363204, 3923738, 4204005, 4225564, 4527390, 5281955, 5605340, 5885607, 6338346, 7847476, 8408010, 9054780, 9809345, 10563910, 11771214, 12676692, 13733083, 15845865, 16816020, 19618690, 21127820, 23542428, 27466166, 29428035, 31691730, 39237380, 41199249, 54932332, 58856070, 63383460, 68665415, 82398498, 117712140, 137330830, 164796996, 205996245, 274661660, 411992490, 823984980]

約数ペア:

[(1, 823984980), (2, 411992490), (3, 274661660), (4, 205996245), (5, 164796996), (6, 137330830), (7, 117712140), (10, 82398498), (12, 68665415), (13, 63383460), (14, 58856070), (15, 54932332), (20, 41199249), (21, 39237380), (26, 31691730), (28, 29428035), (30, 27466166), (35, 23542428), (39, 21127820), (42, 19618690), (49, 16816020), (52, 15845865), (60, 13733083), (65, 12676692), (70, 11771214), (78, 10563910), (84, 9809345), (91, 9054780), (98, 8408010), (105, 7847476), (130, 6338346), (140, 5885607), (147, 5605340), (156, 5281955), (182, 4527390), (195, 4225564), (196, 4204005), (210, 3923738), (245, 3363204), (260, 3169173), (273, 3018260), (294, 2802670), (364, 2263695), (390, 2112782), (420, 1961869), (455, 1810956), (490, 1681602), (546, 1509130), (588, 1401335), (637, 1293540), (735, 1121068), (780, 1056391), (910, 905478), (980, 840801), (1092, 754565), (1274, 646770), (1365, 603652), (1470, 560534), (1820, 452739), (1911, 431180), (2548, 323385), (2730, 301826), (2940, 280267), (3185, 258708), (3822, 215590), (5460, 150913), (6370, 129354), (7644, 107795), (9555, 86236), (12740, 64677), (19110, 43118), (21559, 38220)]