7884240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2$

素因数の和:74

約数の個数: 240

約数和(自身を含む): 31747968

約数和(自身を除く): 23863728

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 19, 20, 21, 24, 26, 28, 30, 35, 38, 39, 40, 42, 48, 52, 56, 57, 60, 65, 70, 76, 78, 80, 84, 91, 95, 104, 105, 112, 114, 120, 130, 133, 140, 152, 156, 168, 182, 190, 195, 208, 210, 228, 240, 247, 260, 266, 273, 280, 285, 304, 312, 336, 361, 364, 380, 390, 399, 420, 455, 456, 494, 520, 532, 546, 560, 570, 624, 665, 722, 728, 741, 760, 780, 798, 840, 910, 912, 988, 1040, 1064, 1083, 1092, 1140, 1235, 1330, 1365, 1444, 1456, 1482, 1520, 1560, 1596, 1680, 1729, 1805, 1820, 1976, 1995, 2128, 2166, 2184, 2280, 2470, 2527, 2660, 2730, 2888, 2964, 3120, 3192, 3458, 3610, 3640, 3705, 3952, 3990, 4332, 4368, 4560, 4693, 4940, 5054, 5187, 5320, 5415, 5460, 5776, 5928, 6384, 6916, 7220, 7280, 7410, 7581, 7980, 8645, 8664, 9386, 9880, 10108, 10374, 10640, 10830, 10920, 11856, 12635, 13832, 14079, 14440, 14820, 15162, 15960, 17290, 17328, 18772, 19760, 20216, 20748, 21660, 21840, 23465, 25270, 25935, 27664, 28158, 28880, 29640, 30324, 31920, 32851, 34580, 37544, 37905, 40432, 41496, 43320, 46930, 50540, 51870, 56316, 59280, 60648, 65702, 69160, 70395, 75088, 75810, 82992, 86640, 93860, 98553, 101080, 103740, 112632, 121296, 131404, 138320, 140790, 151620, 164255, 187720, 197106, 202160, 207480, 225264, 262808, 281580, 303240, 328510, 375440, 394212, 414960, 492765, 525616, 563160, 606480, 657020, 788424, 985530, 1126320, 1314040, 1576848, 1971060, 2628080, 3942120, 7884240]

約数ペア:

[(1, 7884240), (2, 3942120), (3, 2628080), (4, 1971060), (5, 1576848), (6, 1314040), (7, 1126320), (8, 985530), (10, 788424), (12, 657020), (13, 606480), (14, 563160), (15, 525616), (16, 492765), (19, 414960), (20, 394212), (21, 375440), (24, 328510), (26, 303240), (28, 281580), (30, 262808), (35, 225264), (38, 207480), (39, 202160), (40, 197106), (42, 187720), (48, 164255), (52, 151620), (56, 140790), (57, 138320), (60, 131404), (65, 121296), (70, 112632), (76, 103740), (78, 101080), (80, 98553), (84, 93860), (91, 86640), (95, 82992), (104, 75810), (105, 75088), (112, 70395), (114, 69160), (120, 65702), (130, 60648), (133, 59280), (140, 56316), (152, 51870), (156, 50540), (168, 46930), (182, 43320), (190, 41496), (195, 40432), (208, 37905), (210, 37544), (228, 34580), (240, 32851), (247, 31920), (260, 30324), (266, 29640), (273, 28880), (280, 28158), (285, 27664), (304, 25935), (312, 25270), (336, 23465), (361, 21840), (364, 21660), (380, 20748), (390, 20216), (399, 19760), (420, 18772), (455, 17328), (456, 17290), (494, 15960), (520, 15162), (532, 14820), (546, 14440), (560, 14079), (570, 13832), (624, 12635), (665, 11856), (722, 10920), (728, 10830), (741, 10640), (760, 10374), (780, 10108), (798, 9880), (840, 9386), (910, 8664), (912, 8645), (988, 7980), (1040, 7581), (1064, 7410), (1083, 7280), (1092, 7220), (1140, 6916), (1235, 6384), (1330, 5928), (1365, 5776), (1444, 5460), (1456, 5415), (1482, 5320), (1520, 5187), (1560, 5054), (1596, 4940), (1680, 4693), (1729, 4560), (1805, 4368), (1820, 4332), (1976, 3990), (1995, 3952), (2128, 3705), (2166, 3640), (2184, 3610), (2280, 3458), (2470, 3192), (2527, 3120), (2660, 2964), (2730, 2888)]