320202440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{193}}^1$

素因数の和:319

約数の個数: 128

約数和(自身を含む): 796176000

約数和(自身を除く): 475973560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 59, 74, 76, 95, 118, 148, 152, 185, 190, 193, 236, 295, 296, 370, 380, 386, 472, 590, 703, 740, 760, 772, 965, 1121, 1180, 1406, 1480, 1544, 1930, 2183, 2242, 2360, 2812, 3515, 3667, 3860, 4366, 4484, 5605, 5624, 7030, 7141, 7334, 7720, 8732, 8968, 10915, 11210, 11387, 14060, 14282, 14668, 17464, 18335, 21830, 22420, 22774, 28120, 28564, 29336, 35705, 36670, 41477, 43660, 44840, 45548, 56935, 57128, 71410, 73340, 82954, 87320, 91096, 113870, 135679, 142820, 146680, 165908, 207385, 216353, 227740, 271358, 285640, 331816, 414770, 421319, 432706, 455480, 542716, 678395, 829540, 842638, 865412, 1081765, 1085432, 1356790, 1659080, 1685276, 1730824, 2106595, 2163530, 2713580, 3370552, 4213190, 4327060, 5427160, 8005061, 8426380, 8654120, 16010122, 16852760, 32020244, 40025305, 64040488, 80050610, 160101220, 320202440]

約数ペア:

[(1, 320202440), (2, 160101220), (4, 80050610), (5, 64040488), (8, 40025305), (10, 32020244), (19, 16852760), (20, 16010122), (37, 8654120), (38, 8426380), (40, 8005061), (59, 5427160), (74, 4327060), (76, 4213190), (95, 3370552), (118, 2713580), (148, 2163530), (152, 2106595), (185, 1730824), (190, 1685276), (193, 1659080), (236, 1356790), (295, 1085432), (296, 1081765), (370, 865412), (380, 842638), (386, 829540), (472, 678395), (590, 542716), (703, 455480), (740, 432706), (760, 421319), (772, 414770), (965, 331816), (1121, 285640), (1180, 271358), (1406, 227740), (1480, 216353), (1544, 207385), (1930, 165908), (2183, 146680), (2242, 142820), (2360, 135679), (2812, 113870), (3515, 91096), (3667, 87320), (3860, 82954), (4366, 73340), (4484, 71410), (5605, 57128), (5624, 56935), (7030, 45548), (7141, 44840), (7334, 43660), (7720, 41477), (8732, 36670), (8968, 35705), (10915, 29336), (11210, 28564), (11387, 28120), (14060, 22774), (14282, 22420), (14668, 21830), (17464, 18335)]