80409420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4909}}^1$

素因数の和:4944

約数の個数: 144

約数和(自身を含む): 300256320

約数和(自身を除く): 219846900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 4909, 5460, 8190, 9818, 14727, 16380, 19636, 24545, 29454, 34363, 44181, 49090, 58908, 63817, 68726, 73635, 88362, 98180, 103089, 127634, 137452, 147270, 171815, 176724, 191451, 206178, 220905, 255268, 294540, 309267, 319085, 343630, 382902, 412356, 441810, 446719, 515445, 574353, 618534, 638170, 687260, 765804, 883620, 893438, 957255, 1030890, 1148706, 1237068, 1276340, 1340157, 1546335, 1786876, 1914510, 2061780, 2233595, 2297412, 2680314, 2871765, 3092670, 3829020, 4020471, 4467190, 5360628, 5743530, 6185340, 6700785, 8040942, 8934380, 11487060, 13401570, 16081884, 20102355, 26803140, 40204710, 80409420]

約数ペア:

[(1, 80409420), (2, 40204710), (3, 26803140), (4, 20102355), (5, 16081884), (6, 13401570), (7, 11487060), (9, 8934380), (10, 8040942), (12, 6700785), (13, 6185340), (14, 5743530), (15, 5360628), (18, 4467190), (20, 4020471), (21, 3829020), (26, 3092670), (28, 2871765), (30, 2680314), (35, 2297412), (36, 2233595), (39, 2061780), (42, 1914510), (45, 1786876), (52, 1546335), (60, 1340157), (63, 1276340), (65, 1237068), (70, 1148706), (78, 1030890), (84, 957255), (90, 893438), (91, 883620), (105, 765804), (117, 687260), (126, 638170), (130, 618534), (140, 574353), (156, 515445), (180, 446719), (182, 441810), (195, 412356), (210, 382902), (234, 343630), (252, 319085), (260, 309267), (273, 294540), (315, 255268), (364, 220905), (390, 206178), (420, 191451), (455, 176724), (468, 171815), (546, 147270), (585, 137452), (630, 127634), (780, 103089), (819, 98180), (910, 88362), (1092, 73635), (1170, 68726), (1260, 63817), (1365, 58908), (1638, 49090), (1820, 44181), (2340, 34363), (2730, 29454), (3276, 24545), (4095, 19636), (4909, 16380), (5460, 14727), (8190, 9818)]