668533320

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20407}}^1$

素因数の和:20444

約数の個数: 192

約数和(自身を含む): 2674264320

約数和(自身を除く): 2005731000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 52, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 117, 120, 126, 130, 140, 156, 168, 180, 182, 195, 210, 234, 252, 260, 273, 280, 312, 315, 360, 364, 390, 420, 455, 468, 504, 520, 546, 585, 630, 728, 780, 819, 840, 910, 936, 1092, 1170, 1260, 1365, 1560, 1638, 1820, 2184, 2340, 2520, 2730, 3276, 3640, 4095, 4680, 5460, 6552, 8190, 10920, 16380, 20407, 32760, 40814, 61221, 81628, 102035, 122442, 142849, 163256, 183663, 204070, 244884, 265291, 285698, 306105, 367326, 408140, 428547, 489768, 530582, 571396, 612210, 714245, 734652, 795873, 816280, 857094, 918315, 1061164, 1142792, 1224420, 1285641, 1326455, 1428490, 1469304, 1591746, 1714188, 1836630, 1857037, 2122328, 2142735, 2387619, 2448840, 2571282, 2652910, 2856980, 3183492, 3428376, 3673260, 3714074, 3979365, 4285470, 4775238, 5142564, 5305820, 5571111, 5713960, 6366984, 6428205, 7346520, 7428148, 7958730, 8570940, 9285185, 9550476, 10285128, 10611640, 11142222, 11938095, 12856410, 14856296, 15917460, 16713333, 17141880, 18570370, 19100952, 22284444, 23876190, 25712820, 27855555, 31834920, 33426666, 37140740, 44568888, 47752380, 51425640, 55711110, 66853332, 74281480, 83566665, 95504760, 111422220, 133706664, 167133330, 222844440, 334266660, 668533320]

約数ペア:

[(1, 668533320), (2, 334266660), (3, 222844440), (4, 167133330), (5, 133706664), (6, 111422220), (7, 95504760), (8, 83566665), (9, 74281480), (10, 66853332), (12, 55711110), (13, 51425640), (14, 47752380), (15, 44568888), (18, 37140740), (20, 33426666), (21, 31834920), (24, 27855555), (26, 25712820), (28, 23876190), (30, 22284444), (35, 19100952), (36, 18570370), (39, 17141880), (40, 16713333), (42, 15917460), (45, 14856296), (52, 12856410), (56, 11938095), (60, 11142222), (63, 10611640), (65, 10285128), (70, 9550476), (72, 9285185), (78, 8570940), (84, 7958730), (90, 7428148), (91, 7346520), (104, 6428205), (105, 6366984), (117, 5713960), (120, 5571111), (126, 5305820), (130, 5142564), (140, 4775238), (156, 4285470), (168, 3979365), (180, 3714074), (182, 3673260), (195, 3428376), (210, 3183492), (234, 2856980), (252, 2652910), (260, 2571282), (273, 2448840), (280, 2387619), (312, 2142735), (315, 2122328), (360, 1857037), (364, 1836630), (390, 1714188), (420, 1591746), (455, 1469304), (468, 1428490), (504, 1326455), (520, 1285641), (546, 1224420), (585, 1142792), (630, 1061164), (728, 918315), (780, 857094), (819, 816280), (840, 795873), (910, 734652), (936, 714245), (1092, 612210), (1170, 571396), (1260, 530582), (1365, 489768), (1560, 428547), (1638, 408140), (1820, 367326), (2184, 306105), (2340, 285698), (2520, 265291), (2730, 244884), (3276, 204070), (3640, 183663), (4095, 163256), (4680, 142849), (5460, 122442), (6552, 102035), (8190, 81628), (10920, 61221), (16380, 40814), (20407, 32760)]