217384440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1171}}^1$

素因数の和:1222

約数の個数: 256

約数和(自身を含む): 850590720

約数和(自身を除く): 633206280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 17, 20, 21, 24, 26, 28, 30, 34, 35, 39, 40, 42, 51, 52, 56, 60, 65, 68, 70, 78, 84, 85, 91, 102, 104, 105, 119, 120, 130, 136, 140, 156, 168, 170, 182, 195, 204, 210, 221, 238, 255, 260, 273, 280, 312, 340, 357, 364, 390, 408, 420, 442, 455, 476, 510, 520, 546, 595, 663, 680, 714, 728, 780, 840, 884, 910, 952, 1020, 1092, 1105, 1171, 1190, 1326, 1365, 1428, 1547, 1560, 1768, 1785, 1820, 2040, 2184, 2210, 2342, 2380, 2652, 2730, 2856, 3094, 3315, 3513, 3570, 3640, 4420, 4641, 4684, 4760, 5304, 5460, 5855, 6188, 6630, 7026, 7140, 7735, 8197, 8840, 9282, 9368, 10920, 11710, 12376, 13260, 14052, 14280, 15223, 15470, 16394, 17565, 18564, 19907, 23205, 23420, 24591, 26520, 28104, 30446, 30940, 32788, 35130, 37128, 39814, 40985, 45669, 46410, 46840, 49182, 59721, 60892, 61880, 65576, 70260, 76115, 79628, 81970, 91338, 92820, 98364, 99535, 106561, 119442, 121784, 122955, 139349, 140520, 152230, 159256, 163940, 182676, 185640, 196728, 199070, 213122, 228345, 238884, 245910, 258791, 278698, 298605, 304460, 319683, 327880, 365352, 398140, 418047, 426244, 456690, 477768, 491820, 517582, 532805, 557396, 597210, 608920, 639366, 696745, 776373, 796280, 836094, 852488, 913380, 983640, 1035164, 1065610, 1114792, 1194420, 1278732, 1293955, 1393490, 1552746, 1598415, 1672188, 1811537, 1826760, 2070328, 2090235, 2131220, 2388840, 2557464, 2587910, 2786980, 3105492, 3196830, 3344376, 3623074, 3881865, 4180470, 4262440, 5175820, 5434611, 5573960, 6210984, 6393660, 7246148, 7763730, 8360940, 9057685, 10351640, 10869222, 12787320, 14492296, 15527460, 16721880, 18115370, 21738444, 27173055, 31054920, 36230740, 43476888, 54346110, 72461480, 108692220, 217384440]

約数ペア:

[(1, 217384440), (2, 108692220), (3, 72461480), (4, 54346110), (5, 43476888), (6, 36230740), (7, 31054920), (8, 27173055), (10, 21738444), (12, 18115370), (13, 16721880), (14, 15527460), (15, 14492296), (17, 12787320), (20, 10869222), (21, 10351640), (24, 9057685), (26, 8360940), (28, 7763730), (30, 7246148), (34, 6393660), (35, 6210984), (39, 5573960), (40, 5434611), (42, 5175820), (51, 4262440), (52, 4180470), (56, 3881865), (60, 3623074), (65, 3344376), (68, 3196830), (70, 3105492), (78, 2786980), (84, 2587910), (85, 2557464), (91, 2388840), (102, 2131220), (104, 2090235), (105, 2070328), (119, 1826760), (120, 1811537), (130, 1672188), (136, 1598415), (140, 1552746), (156, 1393490), (168, 1293955), (170, 1278732), (182, 1194420), (195, 1114792), (204, 1065610), (210, 1035164), (221, 983640), (238, 913380), (255, 852488), (260, 836094), (273, 796280), (280, 776373), (312, 696745), (340, 639366), (357, 608920), (364, 597210), (390, 557396), (408, 532805), (420, 517582), (442, 491820), (455, 477768), (476, 456690), (510, 426244), (520, 418047), (546, 398140), (595, 365352), (663, 327880), (680, 319683), (714, 304460), (728, 298605), (780, 278698), (840, 258791), (884, 245910), (910, 238884), (952, 228345), (1020, 213122), (1092, 199070), (1105, 196728), (1171, 185640), (1190, 182676), (1326, 163940), (1365, 159256), (1428, 152230), (1547, 140520), (1560, 139349), (1768, 122955), (1785, 121784), (1820, 119442), (2040, 106561), (2184, 99535), (2210, 98364), (2342, 92820), (2380, 91338), (2652, 81970), (2730, 79628), (2856, 76115), (3094, 70260), (3315, 65576), (3513, 61880), (3570, 60892), (3640, 59721), (4420, 49182), (4641, 46840), (4684, 46410), (4760, 45669), (5304, 40985), (5460, 39814), (5855, 37128), (6188, 35130), (6630, 32788), (7026, 30940), (7140, 30446), (7735, 28104), (8197, 26520), (8840, 24591), (9282, 23420), (9368, 23205), (10920, 19907), (11710, 18564), (12376, 17565), (13260, 16394), (14052, 15470), (14280, 15223)]