216851460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:331

約数の個数: 192

約数和(自身を含む): 728179200

約数和(自身を除く): 511327740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 49, 60, 70, 82, 84, 98, 105, 123, 140, 147, 164, 196, 205, 210, 245, 246, 257, 287, 294, 343, 410, 420, 490, 492, 514, 574, 588, 615, 686, 735, 771, 820, 861, 980, 1028, 1029, 1148, 1230, 1285, 1372, 1435, 1470, 1542, 1715, 1722, 1799, 2009, 2058, 2460, 2570, 2870, 2940, 3084, 3430, 3444, 3598, 3855, 4018, 4116, 4305, 5140, 5145, 5397, 5740, 6027, 6860, 7196, 7710, 8036, 8610, 8995, 10045, 10290, 10537, 10794, 12054, 12593, 14063, 15420, 17220, 17990, 20090, 20580, 21074, 21588, 24108, 25186, 26985, 28126, 30135, 31611, 35980, 37779, 40180, 42148, 42189, 50372, 52685, 53970, 56252, 60270, 62965, 63222, 70315, 73759, 75558, 84378, 88151, 105370, 107940, 120540, 125930, 126444, 140630, 147518, 151116, 158055, 168756, 176302, 188895, 210740, 210945, 221277, 251860, 264453, 281260, 295036, 316110, 352604, 368795, 377790, 421890, 440755, 442554, 516313, 528906, 632220, 737590, 755580, 843780, 881510, 885108, 1032626, 1057812, 1106385, 1322265, 1475180, 1548939, 1763020, 2065252, 2212770, 2581565, 2644530, 3097878, 3614191, 4425540, 5163130, 5289060, 6195756, 7228382, 7744695, 10326260, 10842573, 14456764, 15489390, 18070955, 21685146, 30978780, 36141910, 43370292, 54212865, 72283820, 108425730, 216851460]

約数ペア:

[(1, 216851460), (2, 108425730), (3, 72283820), (4, 54212865), (5, 43370292), (6, 36141910), (7, 30978780), (10, 21685146), (12, 18070955), (14, 15489390), (15, 14456764), (20, 10842573), (21, 10326260), (28, 7744695), (30, 7228382), (35, 6195756), (41, 5289060), (42, 5163130), (49, 4425540), (60, 3614191), (70, 3097878), (82, 2644530), (84, 2581565), (98, 2212770), (105, 2065252), (123, 1763020), (140, 1548939), (147, 1475180), (164, 1322265), (196, 1106385), (205, 1057812), (210, 1032626), (245, 885108), (246, 881510), (257, 843780), (287, 755580), (294, 737590), (343, 632220), (410, 528906), (420, 516313), (490, 442554), (492, 440755), (514, 421890), (574, 377790), (588, 368795), (615, 352604), (686, 316110), (735, 295036), (771, 281260), (820, 264453), (861, 251860), (980, 221277), (1028, 210945), (1029, 210740), (1148, 188895), (1230, 176302), (1285, 168756), (1372, 158055), (1435, 151116), (1470, 147518), (1542, 140630), (1715, 126444), (1722, 125930), (1799, 120540), (2009, 107940), (2058, 105370), (2460, 88151), (2570, 84378), (2870, 75558), (2940, 73759), (3084, 70315), (3430, 63222), (3444, 62965), (3598, 60270), (3855, 56252), (4018, 53970), (4116, 52685), (4305, 50372), (5140, 42189), (5145, 42148), (5397, 40180), (5740, 37779), (6027, 35980), (6860, 31611), (7196, 30135), (7710, 28126), (8036, 26985), (8610, 25186), (8995, 24108), (10045, 21588), (10290, 21074), (10537, 20580), (10794, 20090), (12054, 17990), (12593, 17220), (14063, 15420)]