128120040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18731}}^1$

素因数の和:18767

約数の個数: 96

約数和(自身を含む): 438328800

約数和(自身を除く): 310208760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3420, 6840, 18731, 37462, 56193, 74924, 93655, 112386, 149848, 168579, 187310, 224772, 280965, 337158, 355889, 374620, 449544, 561930, 674316, 711778, 749240, 842895, 1067667, 1123860, 1348632, 1423556, 1685790, 1779445, 2135334, 2247720, 2847112, 3203001, 3371580, 3558890, 4270668, 5338335, 6406002, 6743160, 7117780, 8541336, 10676670, 12812004, 14235560, 16015005, 21353340, 25624008, 32030010, 42706680, 64060020, 128120040]

約数ペア:

[(1, 128120040), (2, 64060020), (3, 42706680), (4, 32030010), (5, 25624008), (6, 21353340), (8, 16015005), (9, 14235560), (10, 12812004), (12, 10676670), (15, 8541336), (18, 7117780), (19, 6743160), (20, 6406002), (24, 5338335), (30, 4270668), (36, 3558890), (38, 3371580), (40, 3203001), (45, 2847112), (57, 2247720), (60, 2135334), (72, 1779445), (76, 1685790), (90, 1423556), (95, 1348632), (114, 1123860), (120, 1067667), (152, 842895), (171, 749240), (180, 711778), (190, 674316), (228, 561930), (285, 449544), (342, 374620), (360, 355889), (380, 337158), (456, 280965), (570, 224772), (684, 187310), (760, 168579), (855, 149848), (1140, 112386), (1368, 93655), (1710, 74924), (2280, 56193), (3420, 37462), (6840, 18731)]