21730800

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:240

約数の個数: 240

約数和(自身を含む): 86105600

約数和(自身を除く): 64374800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 25, 26, 28, 30, 35, 39, 40, 42, 48, 50, 52, 56, 60, 65, 70, 75, 78, 80, 84, 91, 100, 104, 105, 112, 120, 130, 140, 150, 156, 168, 175, 182, 195, 199, 200, 208, 210, 240, 260, 273, 280, 300, 312, 325, 336, 350, 364, 390, 398, 400, 420, 455, 520, 525, 546, 560, 597, 600, 624, 650, 700, 728, 780, 796, 840, 910, 975, 995, 1040, 1050, 1092, 1194, 1200, 1300, 1365, 1393, 1400, 1456, 1560, 1592, 1680, 1820, 1950, 1990, 2100, 2184, 2275, 2388, 2587, 2600, 2730, 2786, 2800, 2985, 3120, 3184, 3640, 3900, 3980, 4179, 4200, 4368, 4550, 4776, 4975, 5174, 5200, 5460, 5572, 5970, 6825, 6965, 7280, 7761, 7800, 7960, 8358, 8400, 9100, 9552, 9950, 10348, 10920, 11144, 11940, 12935, 13650, 13930, 14925, 15522, 15600, 15920, 16716, 18109, 18200, 19900, 20696, 20895, 21840, 22288, 23880, 25870, 27300, 27860, 29850, 31044, 33432, 34825, 36218, 36400, 38805, 39800, 41392, 41790, 47760, 51740, 54327, 54600, 55720, 59700, 62088, 64675, 66864, 69650, 72436, 77610, 79600, 83580, 90545, 103480, 104475, 108654, 109200, 111440, 119400, 124176, 129350, 139300, 144872, 155220, 167160, 181090, 194025, 206960, 208950, 217308, 238800, 258700, 271635, 278600, 289744, 310440, 334320, 362180, 388050, 417900, 434616, 452725, 517400, 543270, 557200, 620880, 724360, 776100, 835800, 869232, 905450, 1034800, 1086540, 1358175, 1448720, 1552200, 1671600, 1810900, 2173080, 2716350, 3104400, 3621800, 4346160, 5432700, 7243600, 10865400, 21730800]

約数ペア:

[(1, 21730800), (2, 10865400), (3, 7243600), (4, 5432700), (5, 4346160), (6, 3621800), (7, 3104400), (8, 2716350), (10, 2173080), (12, 1810900), (13, 1671600), (14, 1552200), (15, 1448720), (16, 1358175), (20, 1086540), (21, 1034800), (24, 905450), (25, 869232), (26, 835800), (28, 776100), (30, 724360), (35, 620880), (39, 557200), (40, 543270), (42, 517400), (48, 452725), (50, 434616), (52, 417900), (56, 388050), (60, 362180), (65, 334320), (70, 310440), (75, 289744), (78, 278600), (80, 271635), (84, 258700), (91, 238800), (100, 217308), (104, 208950), (105, 206960), (112, 194025), (120, 181090), (130, 167160), (140, 155220), (150, 144872), (156, 139300), (168, 129350), (175, 124176), (182, 119400), (195, 111440), (199, 109200), (200, 108654), (208, 104475), (210, 103480), (240, 90545), (260, 83580), (273, 79600), (280, 77610), (300, 72436), (312, 69650), (325, 66864), (336, 64675), (350, 62088), (364, 59700), (390, 55720), (398, 54600), (400, 54327), (420, 51740), (455, 47760), (520, 41790), (525, 41392), (546, 39800), (560, 38805), (597, 36400), (600, 36218), (624, 34825), (650, 33432), (700, 31044), (728, 29850), (780, 27860), (796, 27300), (840, 25870), (910, 23880), (975, 22288), (995, 21840), (1040, 20895), (1050, 20696), (1092, 19900), (1194, 18200), (1200, 18109), (1300, 16716), (1365, 15920), (1393, 15600), (1400, 15522), (1456, 14925), (1560, 13930), (1592, 13650), (1680, 12935), (1820, 11940), (1950, 11144), (1990, 10920), (2100, 10348), (2184, 9950), (2275, 9552), (2388, 9100), (2587, 8400), (2600, 8358), (2730, 7960), (2786, 7800), (2800, 7761), (2985, 7280), (3120, 6965), (3184, 6825), (3640, 5970), (3900, 5572), (3980, 5460), (4179, 5200), (4200, 5174), (4368, 4975), (4550, 4776)]