213177720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^3\times {\mathrm{37}}^1$

素因数の和:115

約数の個数: 256

約数和(自身を含む): 792345600

約数和(自身を除く): 579167880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 37, 38, 40, 42, 56, 57, 60, 70, 74, 76, 84, 95, 105, 111, 114, 120, 133, 140, 148, 152, 168, 185, 190, 210, 222, 228, 259, 266, 280, 285, 296, 361, 370, 380, 399, 420, 444, 456, 518, 532, 555, 570, 665, 703, 722, 740, 760, 777, 798, 840, 888, 1036, 1064, 1083, 1110, 1140, 1295, 1330, 1406, 1444, 1480, 1554, 1596, 1805, 1995, 2072, 2109, 2166, 2220, 2280, 2527, 2590, 2660, 2812, 2888, 3108, 3192, 3515, 3610, 3885, 3990, 4218, 4332, 4440, 4921, 5054, 5180, 5320, 5415, 5624, 6216, 6859, 7030, 7220, 7581, 7770, 7980, 8436, 8664, 9842, 10108, 10360, 10545, 10830, 12635, 13357, 13718, 14060, 14440, 14763, 15162, 15540, 15960, 16872, 19684, 20216, 20577, 21090, 21660, 24605, 25270, 26714, 27436, 28120, 29526, 30324, 31080, 34295, 37905, 39368, 40071, 41154, 42180, 43320, 48013, 49210, 50540, 53428, 54872, 59052, 60648, 66785, 68590, 73815, 75810, 80142, 82308, 84360, 93499, 96026, 98420, 101080, 102885, 106856, 118104, 133570, 137180, 144039, 147630, 151620, 160284, 164616, 186998, 192052, 196840, 200355, 205770, 240065, 253783, 267140, 274360, 280497, 288078, 295260, 303240, 320568, 373996, 384104, 400710, 411540, 467495, 480130, 507566, 534280, 560994, 576156, 590520, 720195, 747992, 761349, 801420, 823080, 934990, 960260, 1015132, 1121988, 1152312, 1268915, 1402485, 1440390, 1522698, 1602840, 1776481, 1869980, 1920520, 2030264, 2243976, 2537830, 2804970, 2880780, 3045396, 3552962, 3739960, 3806745, 5075660, 5329443, 5609940, 5761560, 6090792, 7105924, 7613490, 8882405, 10151320, 10658886, 11219880, 14211848, 15226980, 17764810, 21317772, 26647215, 30453960, 35529620, 42635544, 53294430, 71059240, 106588860, 213177720]

約数ペア:

[(1, 213177720), (2, 106588860), (3, 71059240), (4, 53294430), (5, 42635544), (6, 35529620), (7, 30453960), (8, 26647215), (10, 21317772), (12, 17764810), (14, 15226980), (15, 14211848), (19, 11219880), (20, 10658886), (21, 10151320), (24, 8882405), (28, 7613490), (30, 7105924), (35, 6090792), (37, 5761560), (38, 5609940), (40, 5329443), (42, 5075660), (56, 3806745), (57, 3739960), (60, 3552962), (70, 3045396), (74, 2880780), (76, 2804970), (84, 2537830), (95, 2243976), (105, 2030264), (111, 1920520), (114, 1869980), (120, 1776481), (133, 1602840), (140, 1522698), (148, 1440390), (152, 1402485), (168, 1268915), (185, 1152312), (190, 1121988), (210, 1015132), (222, 960260), (228, 934990), (259, 823080), (266, 801420), (280, 761349), (285, 747992), (296, 720195), (361, 590520), (370, 576156), (380, 560994), (399, 534280), (420, 507566), (444, 480130), (456, 467495), (518, 411540), (532, 400710), (555, 384104), (570, 373996), (665, 320568), (703, 303240), (722, 295260), (740, 288078), (760, 280497), (777, 274360), (798, 267140), (840, 253783), (888, 240065), (1036, 205770), (1064, 200355), (1083, 196840), (1110, 192052), (1140, 186998), (1295, 164616), (1330, 160284), (1406, 151620), (1444, 147630), (1480, 144039), (1554, 137180), (1596, 133570), (1805, 118104), (1995, 106856), (2072, 102885), (2109, 101080), (2166, 98420), (2220, 96026), (2280, 93499), (2527, 84360), (2590, 82308), (2660, 80142), (2812, 75810), (2888, 73815), (3108, 68590), (3192, 66785), (3515, 60648), (3610, 59052), (3885, 54872), (3990, 53428), (4218, 50540), (4332, 49210), (4440, 48013), (4921, 43320), (5054, 42180), (5180, 41154), (5320, 40071), (5415, 39368), (5624, 37905), (6216, 34295), (6859, 31080), (7030, 30324), (7220, 29526), (7581, 28120), (7770, 27436), (7980, 26714), (8436, 25270), (8664, 24605), (9842, 21660), (10108, 21090), (10360, 20577), (10545, 20216), (10830, 19684), (12635, 16872), (13357, 15960), (13718, 15540), (14060, 15162), (14440, 14763)]