64061880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:261

約数の個数: 128

約数和(自身を含む): 199480320

約数和(自身を除く): 135418440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 73, 103, 120, 142, 146, 206, 213, 219, 284, 292, 309, 355, 365, 412, 426, 438, 515, 568, 584, 618, 710, 730, 824, 852, 876, 1030, 1065, 1095, 1236, 1420, 1460, 1545, 1704, 1752, 2060, 2130, 2190, 2472, 2840, 2920, 3090, 4120, 4260, 4380, 5183, 6180, 7313, 7519, 8520, 8760, 10366, 12360, 14626, 15038, 15549, 20732, 21939, 22557, 25915, 29252, 30076, 31098, 36565, 37595, 41464, 43878, 45114, 51830, 58504, 60152, 62196, 73130, 75190, 77745, 87756, 90228, 103660, 109695, 112785, 124392, 146260, 150380, 155490, 175512, 180456, 207320, 219390, 225570, 292520, 300760, 310980, 438780, 451140, 533849, 621960, 877560, 902280, 1067698, 1601547, 2135396, 2669245, 3203094, 4270792, 5338490, 6406188, 8007735, 10676980, 12812376, 16015470, 21353960, 32030940, 64061880]

約数ペア:

[(1, 64061880), (2, 32030940), (3, 21353960), (4, 16015470), (5, 12812376), (6, 10676980), (8, 8007735), (10, 6406188), (12, 5338490), (15, 4270792), (20, 3203094), (24, 2669245), (30, 2135396), (40, 1601547), (60, 1067698), (71, 902280), (73, 877560), (103, 621960), (120, 533849), (142, 451140), (146, 438780), (206, 310980), (213, 300760), (219, 292520), (284, 225570), (292, 219390), (309, 207320), (355, 180456), (365, 175512), (412, 155490), (426, 150380), (438, 146260), (515, 124392), (568, 112785), (584, 109695), (618, 103660), (710, 90228), (730, 87756), (824, 77745), (852, 75190), (876, 73130), (1030, 62196), (1065, 60152), (1095, 58504), (1236, 51830), (1420, 45114), (1460, 43878), (1545, 41464), (1704, 37595), (1752, 36565), (2060, 31098), (2130, 30076), (2190, 29252), (2472, 25915), (2840, 22557), (2920, 21939), (3090, 20732), (4120, 15549), (4260, 15038), (4380, 14626), (5183, 12360), (6180, 10366), (7313, 8760), (7519, 8520)]