290649840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4903}}^1$

素因数の和:4951

約数の個数: 160

約数和(自身を含む): 1021601280

約数和(自身を除く): 730951440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 38, 39, 40, 48, 52, 57, 60, 65, 76, 78, 80, 95, 104, 114, 120, 130, 152, 156, 190, 195, 208, 228, 240, 247, 260, 285, 304, 312, 380, 390, 456, 494, 520, 570, 624, 741, 760, 780, 912, 988, 1040, 1140, 1235, 1482, 1520, 1560, 1976, 2280, 2470, 2964, 3120, 3705, 3952, 4560, 4903, 4940, 5928, 7410, 9806, 9880, 11856, 14709, 14820, 19612, 19760, 24515, 29418, 29640, 39224, 49030, 58836, 59280, 63739, 73545, 78448, 93157, 98060, 117672, 127478, 147090, 186314, 191217, 196120, 235344, 254956, 279471, 294180, 318695, 372628, 382434, 392240, 465785, 509912, 558942, 588360, 637390, 745256, 764868, 931570, 956085, 1019824, 1117884, 1176720, 1211041, 1274780, 1397355, 1490512, 1529736, 1863140, 1912170, 2235768, 2422082, 2549560, 2794710, 3059472, 3633123, 3726280, 3824340, 4471536, 4844164, 5099120, 5589420, 6055205, 7266246, 7452560, 7648680, 9688328, 11178840, 12110410, 14532492, 15297360, 18165615, 19376656, 22357680, 24220820, 29064984, 36331230, 48441640, 58129968, 72662460, 96883280, 145324920, 290649840]

約数ペア:

[(1, 290649840), (2, 145324920), (3, 96883280), (4, 72662460), (5, 58129968), (6, 48441640), (8, 36331230), (10, 29064984), (12, 24220820), (13, 22357680), (15, 19376656), (16, 18165615), (19, 15297360), (20, 14532492), (24, 12110410), (26, 11178840), (30, 9688328), (38, 7648680), (39, 7452560), (40, 7266246), (48, 6055205), (52, 5589420), (57, 5099120), (60, 4844164), (65, 4471536), (76, 3824340), (78, 3726280), (80, 3633123), (95, 3059472), (104, 2794710), (114, 2549560), (120, 2422082), (130, 2235768), (152, 1912170), (156, 1863140), (190, 1529736), (195, 1490512), (208, 1397355), (228, 1274780), (240, 1211041), (247, 1176720), (260, 1117884), (285, 1019824), (304, 956085), (312, 931570), (380, 764868), (390, 745256), (456, 637390), (494, 588360), (520, 558942), (570, 509912), (624, 465785), (741, 392240), (760, 382434), (780, 372628), (912, 318695), (988, 294180), (1040, 279471), (1140, 254956), (1235, 235344), (1482, 196120), (1520, 191217), (1560, 186314), (1976, 147090), (2280, 127478), (2470, 117672), (2964, 98060), (3120, 93157), (3705, 78448), (3952, 73545), (4560, 63739), (4903, 59280), (4940, 58836), (5928, 49030), (7410, 39224), (9806, 29640), (9880, 29418), (11856, 24515), (14709, 19760), (14820, 19612)]