87757740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{241}}^1$

素因数の和:297

約数の個数: 216

約数和(自身を含む): 324516192

約数和(自身を除く): 236758452

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 241, 252, 255, 289, 306, 315, 340, 357, 420, 476, 482, 510, 578, 595, 612, 630, 714, 723, 765, 867, 964, 1020, 1071, 1156, 1190, 1205, 1260, 1428, 1445, 1446, 1530, 1687, 1734, 1785, 2023, 2142, 2169, 2380, 2410, 2601, 2890, 2892, 3060, 3374, 3468, 3570, 3615, 4046, 4097, 4284, 4335, 4338, 4820, 5061, 5202, 5355, 5780, 6069, 6748, 7140, 7230, 8092, 8194, 8435, 8670, 8676, 10115, 10122, 10404, 10710, 10845, 12138, 12291, 13005, 14460, 15183, 16388, 16870, 17340, 18207, 20230, 20244, 20485, 21420, 21690, 24276, 24582, 25305, 26010, 28679, 30345, 30366, 33740, 36414, 36873, 40460, 40970, 43380, 49164, 50610, 52020, 57358, 60690, 60732, 61455, 69649, 72828, 73746, 75915, 81940, 86037, 91035, 101220, 114716, 121380, 122910, 139298, 143395, 147492, 151830, 172074, 182070, 184365, 208947, 245820, 258111, 278596, 286790, 303660, 344148, 348245, 364140, 368730, 417894, 430185, 487543, 516222, 573580, 626841, 696490, 737460, 835788, 860370, 975086, 1032444, 1044735, 1253682, 1290555, 1392980, 1462629, 1720740, 1950172, 2089470, 2437715, 2507364, 2581110, 2925258, 3134205, 4178940, 4387887, 4875430, 5162220, 5850516, 6268410, 7313145, 8775774, 9750860, 12536820, 14626290, 17551548, 21939435, 29252580, 43878870, 87757740]

約数ペア:

[(1, 87757740), (2, 43878870), (3, 29252580), (4, 21939435), (5, 17551548), (6, 14626290), (7, 12536820), (9, 9750860), (10, 8775774), (12, 7313145), (14, 6268410), (15, 5850516), (17, 5162220), (18, 4875430), (20, 4387887), (21, 4178940), (28, 3134205), (30, 2925258), (34, 2581110), (35, 2507364), (36, 2437715), (42, 2089470), (45, 1950172), (51, 1720740), (60, 1462629), (63, 1392980), (68, 1290555), (70, 1253682), (84, 1044735), (85, 1032444), (90, 975086), (102, 860370), (105, 835788), (119, 737460), (126, 696490), (140, 626841), (153, 573580), (170, 516222), (180, 487543), (204, 430185), (210, 417894), (238, 368730), (241, 364140), (252, 348245), (255, 344148), (289, 303660), (306, 286790), (315, 278596), (340, 258111), (357, 245820), (420, 208947), (476, 184365), (482, 182070), (510, 172074), (578, 151830), (595, 147492), (612, 143395), (630, 139298), (714, 122910), (723, 121380), (765, 114716), (867, 101220), (964, 91035), (1020, 86037), (1071, 81940), (1156, 75915), (1190, 73746), (1205, 72828), (1260, 69649), (1428, 61455), (1445, 60732), (1446, 60690), (1530, 57358), (1687, 52020), (1734, 50610), (1785, 49164), (2023, 43380), (2142, 40970), (2169, 40460), (2380, 36873), (2410, 36414), (2601, 33740), (2890, 30366), (2892, 30345), (3060, 28679), (3374, 26010), (3468, 25305), (3570, 24582), (3615, 24276), (4046, 21690), (4097, 21420), (4284, 20485), (4335, 20244), (4338, 20230), (4820, 18207), (5061, 17340), (5202, 16870), (5355, 16388), (5780, 15183), (6069, 14460), (6748, 13005), (7140, 12291), (7230, 12138), (8092, 10845), (8194, 10710), (8435, 10404), (8670, 10122), (8676, 10115)]