221553540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1297}}^1$

素因数の和:1398

約数の個数: 144

約数和(自身を含む): 734221488

約数和(自身を除く): 512667948

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 73, 78, 90, 117, 130, 146, 156, 180, 195, 219, 234, 260, 292, 365, 390, 438, 468, 585, 657, 730, 780, 876, 949, 1095, 1170, 1297, 1314, 1460, 1898, 2190, 2340, 2594, 2628, 2847, 3285, 3796, 3891, 4380, 4745, 5188, 5694, 6485, 6570, 7782, 8541, 9490, 11388, 11673, 12970, 13140, 14235, 15564, 16861, 17082, 18980, 19455, 23346, 25940, 28470, 33722, 34164, 38910, 42705, 46692, 50583, 56940, 58365, 67444, 77820, 84305, 85410, 94681, 101166, 116730, 151749, 168610, 170820, 189362, 202332, 233460, 252915, 284043, 303498, 337220, 378724, 473405, 505830, 568086, 606996, 758745, 852129, 946810, 1011660, 1136172, 1230853, 1420215, 1517490, 1704258, 1893620, 2461706, 2840430, 3034980, 3408516, 3692559, 4260645, 4923412, 5680860, 6154265, 7385118, 8521290, 11077677, 12308530, 14770236, 17042580, 18462795, 22155354, 24617060, 36925590, 44310708, 55388385, 73851180, 110776770, 221553540]

約数ペア:

[(1, 221553540), (2, 110776770), (3, 73851180), (4, 55388385), (5, 44310708), (6, 36925590), (9, 24617060), (10, 22155354), (12, 18462795), (13, 17042580), (15, 14770236), (18, 12308530), (20, 11077677), (26, 8521290), (30, 7385118), (36, 6154265), (39, 5680860), (45, 4923412), (52, 4260645), (60, 3692559), (65, 3408516), (73, 3034980), (78, 2840430), (90, 2461706), (117, 1893620), (130, 1704258), (146, 1517490), (156, 1420215), (180, 1230853), (195, 1136172), (219, 1011660), (234, 946810), (260, 852129), (292, 758745), (365, 606996), (390, 568086), (438, 505830), (468, 473405), (585, 378724), (657, 337220), (730, 303498), (780, 284043), (876, 252915), (949, 233460), (1095, 202332), (1170, 189362), (1297, 170820), (1314, 168610), (1460, 151749), (1898, 116730), (2190, 101166), (2340, 94681), (2594, 85410), (2628, 84305), (2847, 77820), (3285, 67444), (3796, 58365), (3891, 56940), (4380, 50583), (4745, 46692), (5188, 42705), (5694, 38910), (6485, 34164), (6570, 33722), (7782, 28470), (8541, 25940), (9490, 23346), (11388, 19455), (11673, 18980), (12970, 17082), (13140, 16861), (14235, 15564)]