290591280

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{19219}}^1$

素因数の和:19248

約数の個数: 160

約数和(自身を含む): 1143974400

約数和(自身を除く): 853383120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 19219, 38438, 57657, 76876, 96095, 115314, 134533, 153752, 172971, 192190, 230628, 269066, 288285, 307504, 345942, 384380, 403599, 461256, 518913, 538132, 576570, 672665, 691884, 768760, 807198, 864855, 922512, 1037826, 1076264, 1153140, 1210797, 1345330, 1383768, 1537520, 1614396, 1729710, 2017995, 2075652, 2152528, 2306280, 2421594, 2594565, 2690660, 2767536, 3228792, 3459420, 3632391, 4035990, 4151304, 4612560, 4843188, 5189130, 5381320, 6053985, 6457584, 6918840, 7264782, 8071980, 8302608, 9686376, 10378260, 10762640, 12107970, 13837680, 14529564, 16143960, 18161955, 19372752, 20756520, 24215940, 29059128, 32287920, 36323910, 41513040, 48431880, 58118256, 72647820, 96863760, 145295640, 290591280]

約数ペア:

[(1, 290591280), (2, 145295640), (3, 96863760), (4, 72647820), (5, 58118256), (6, 48431880), (7, 41513040), (8, 36323910), (9, 32287920), (10, 29059128), (12, 24215940), (14, 20756520), (15, 19372752), (16, 18161955), (18, 16143960), (20, 14529564), (21, 13837680), (24, 12107970), (27, 10762640), (28, 10378260), (30, 9686376), (35, 8302608), (36, 8071980), (40, 7264782), (42, 6918840), (45, 6457584), (48, 6053985), (54, 5381320), (56, 5189130), (60, 4843188), (63, 4612560), (70, 4151304), (72, 4035990), (80, 3632391), (84, 3459420), (90, 3228792), (105, 2767536), (108, 2690660), (112, 2594565), (120, 2421594), (126, 2306280), (135, 2152528), (140, 2075652), (144, 2017995), (168, 1729710), (180, 1614396), (189, 1537520), (210, 1383768), (216, 1345330), (240, 1210797), (252, 1153140), (270, 1076264), (280, 1037826), (315, 922512), (336, 864855), (360, 807198), (378, 768760), (420, 691884), (432, 672665), (504, 576570), (540, 538132), (560, 518913), (630, 461256), (720, 403599), (756, 384380), (840, 345942), (945, 307504), (1008, 288285), (1080, 269066), (1260, 230628), (1512, 192190), (1680, 172971), (1890, 153752), (2160, 134533), (2520, 115314), (3024, 96095), (3780, 76876), (5040, 57657), (7560, 38438), (15120, 19219)]