81368640

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1487}}^1$

素因数の和:1529

約数の個数: 168

約数和(自身を含む): 294802560

約数和(自身を除く): 213433920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 64, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 192, 228, 240, 285, 288, 304, 320, 342, 360, 380, 456, 480, 570, 576, 608, 684, 720, 760, 855, 912, 960, 1140, 1216, 1368, 1440, 1487, 1520, 1710, 1824, 2280, 2736, 2880, 2974, 3040, 3420, 3648, 4461, 4560, 5472, 5948, 6080, 6840, 7435, 8922, 9120, 10944, 11896, 13383, 13680, 14870, 17844, 18240, 22305, 23792, 26766, 27360, 28253, 29740, 35688, 44610, 47584, 53532, 54720, 56506, 59480, 66915, 71376, 84759, 89220, 95168, 107064, 113012, 118960, 133830, 141265, 142752, 169518, 178440, 214128, 226024, 237920, 254277, 267660, 282530, 285504, 339036, 356880, 423795, 428256, 452048, 475840, 508554, 535320, 565060, 678072, 713760, 847590, 856512, 904096, 1017108, 1070640, 1130120, 1271385, 1356144, 1427520, 1695180, 1808192, 2034216, 2141280, 2260240, 2542770, 2712288, 3390360, 4068432, 4282560, 4520480, 5085540, 5424576, 6780720, 8136864, 9040960, 10171080, 13561440, 16273728, 20342160, 27122880, 40684320, 81368640]

約数ペア:

[(1, 81368640), (2, 40684320), (3, 27122880), (4, 20342160), (5, 16273728), (6, 13561440), (8, 10171080), (9, 9040960), (10, 8136864), (12, 6780720), (15, 5424576), (16, 5085540), (18, 4520480), (19, 4282560), (20, 4068432), (24, 3390360), (30, 2712288), (32, 2542770), (36, 2260240), (38, 2141280), (40, 2034216), (45, 1808192), (48, 1695180), (57, 1427520), (60, 1356144), (64, 1271385), (72, 1130120), (76, 1070640), (80, 1017108), (90, 904096), (95, 856512), (96, 847590), (114, 713760), (120, 678072), (144, 565060), (152, 535320), (160, 508554), (171, 475840), (180, 452048), (190, 428256), (192, 423795), (228, 356880), (240, 339036), (285, 285504), (288, 282530), (304, 267660), (320, 254277), (342, 237920), (360, 226024), (380, 214128), (456, 178440), (480, 169518), (570, 142752), (576, 141265), (608, 133830), (684, 118960), (720, 113012), (760, 107064), (855, 95168), (912, 89220), (960, 84759), (1140, 71376), (1216, 66915), (1368, 59480), (1440, 56506), (1487, 54720), (1520, 53532), (1710, 47584), (1824, 44610), (2280, 35688), (2736, 29740), (2880, 28253), (2974, 27360), (3040, 26766), (3420, 23792), (3648, 22305), (4461, 18240), (4560, 17844), (5472, 14870), (5948, 13680), (6080, 13383), (6840, 11896), (7435, 10944), (8922, 9120)]