64060020

素因数分解:

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

素因数の和:18765

約数の個数: 72

約数和(自身を含む): 204553440

約数和(自身を除く): 140493420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 18731, 37462, 56193, 74924, 93655, 112386, 168579, 187310, 224772, 280965, 337158, 355889, 374620, 561930, 674316, 711778, 842895, 1067667, 1123860, 1423556, 1685790, 1779445, 2135334, 3203001, 3371580, 3558890, 4270668, 5338335, 6406002, 7117780, 10676670, 12812004, 16015005, 21353340, 32030010, 64060020]

約数ペア:

[(1, 64060020), (2, 32030010), (3, 21353340), (4, 16015005), (5, 12812004), (6, 10676670), (9, 7117780), (10, 6406002), (12, 5338335), (15, 4270668), (18, 3558890), (19, 3371580), (20, 3203001), (30, 2135334), (36, 1779445), (38, 1685790), (45, 1423556), (57, 1123860), (60, 1067667), (76, 842895), (90, 711778), (95, 674316), (114, 561930), (171, 374620), (180, 355889), (190, 337158), (228, 280965), (285, 224772), (342, 187310), (380, 168579), (570, 112386), (684, 93655), (855, 74924), (1140, 56193), (1710, 37462), (3420, 18731)]