989969160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{25541}}^1$

素因数の和:25591

約数の個数: 128

約数和(自身を含む): 3310243200

約数和(自身を除く): 2320274040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 19, 20, 24, 30, 34, 38, 40, 51, 57, 60, 68, 76, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 255, 285, 323, 340, 380, 408, 456, 510, 570, 646, 680, 760, 969, 1020, 1140, 1292, 1615, 1938, 2040, 2280, 2584, 3230, 3876, 4845, 6460, 7752, 9690, 12920, 19380, 25541, 38760, 51082, 76623, 102164, 127705, 153246, 204328, 255410, 306492, 383115, 434197, 485279, 510820, 612984, 766230, 868394, 970558, 1021640, 1302591, 1455837, 1532460, 1736788, 1941116, 2170985, 2426395, 2605182, 2911674, 3064920, 3473576, 3882232, 4341970, 4852790, 5210364, 5823348, 6512955, 7279185, 8249743, 8683940, 9705580, 10420728, 11646696, 13025910, 14558370, 16499486, 17367880, 19411160, 24749229, 26051820, 29116740, 32998972, 41248715, 49498458, 52103640, 58233480, 65997944, 82497430, 98996916, 123746145, 164994860, 197993832, 247492290, 329989720, 494984580, 989969160]

約数ペア:

[(1, 989969160), (2, 494984580), (3, 329989720), (4, 247492290), (5, 197993832), (6, 164994860), (8, 123746145), (10, 98996916), (12, 82497430), (15, 65997944), (17, 58233480), (19, 52103640), (20, 49498458), (24, 41248715), (30, 32998972), (34, 29116740), (38, 26051820), (40, 24749229), (51, 19411160), (57, 17367880), (60, 16499486), (68, 14558370), (76, 13025910), (85, 11646696), (95, 10420728), (102, 9705580), (114, 8683940), (120, 8249743), (136, 7279185), (152, 6512955), (170, 5823348), (190, 5210364), (204, 4852790), (228, 4341970), (255, 3882232), (285, 3473576), (323, 3064920), (340, 2911674), (380, 2605182), (408, 2426395), (456, 2170985), (510, 1941116), (570, 1736788), (646, 1532460), (680, 1455837), (760, 1302591), (969, 1021640), (1020, 970558), (1140, 868394), (1292, 766230), (1615, 612984), (1938, 510820), (2040, 485279), (2280, 434197), (2584, 383115), (3230, 306492), (3876, 255410), (4845, 204328), (6460, 153246), (7752, 127705), (9690, 102164), (12920, 76623), (19380, 51082), (25541, 38760)]