428279640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{1409}}^1$

素因数の和:1589

約数の個数: 128

約数和(自身を含む): 1370520000

約数和(自身を除く): 942240360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 149, 170, 204, 255, 298, 340, 408, 447, 510, 596, 680, 745, 894, 1020, 1192, 1409, 1490, 1788, 2040, 2235, 2533, 2818, 2980, 3576, 4227, 4470, 5066, 5636, 5960, 7045, 7599, 8454, 8940, 10132, 11272, 12665, 14090, 15198, 16908, 17880, 20264, 21135, 23953, 25330, 28180, 30396, 33816, 37995, 42270, 47906, 50660, 56360, 60792, 71859, 75990, 84540, 95812, 101320, 119765, 143718, 151980, 169080, 191624, 209941, 239530, 287436, 303960, 359295, 419882, 479060, 574872, 629823, 718590, 839764, 958120, 1049705, 1259646, 1437180, 1679528, 2099410, 2519292, 2874360, 3149115, 3568997, 4198820, 5038584, 6298230, 7137994, 8397640, 10706991, 12596460, 14275988, 17844985, 21413982, 25192920, 28551976, 35689970, 42827964, 53534955, 71379940, 85655928, 107069910, 142759880, 214139820, 428279640]

約数ペア:

[(1, 428279640), (2, 214139820), (3, 142759880), (4, 107069910), (5, 85655928), (6, 71379940), (8, 53534955), (10, 42827964), (12, 35689970), (15, 28551976), (17, 25192920), (20, 21413982), (24, 17844985), (30, 14275988), (34, 12596460), (40, 10706991), (51, 8397640), (60, 7137994), (68, 6298230), (85, 5038584), (102, 4198820), (120, 3568997), (136, 3149115), (149, 2874360), (170, 2519292), (204, 2099410), (255, 1679528), (298, 1437180), (340, 1259646), (408, 1049705), (447, 958120), (510, 839764), (596, 718590), (680, 629823), (745, 574872), (894, 479060), (1020, 419882), (1192, 359295), (1409, 303960), (1490, 287436), (1788, 239530), (2040, 209941), (2235, 191624), (2533, 169080), (2818, 151980), (2980, 143718), (3576, 119765), (4227, 101320), (4470, 95812), (5066, 84540), (5636, 75990), (5960, 71859), (7045, 60792), (7599, 56360), (8454, 50660), (8940, 47906), (10132, 42270), (11272, 37995), (12665, 33816), (14090, 30396), (15198, 28180), (16908, 25330), (17880, 23953), (20264, 21135)]