40684320

素因数分解:

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

素因数の和:1527

約数の個数: 144

約数和(自身を含む): 146240640

約数和(自身を除く): 105556320

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, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 380, 456, 480, 570, 608, 684, 720, 760, 855, 912, 1140, 1368, 1440, 1487, 1520, 1710, 1824, 2280, 2736, 2974, 3040, 3420, 4461, 4560, 5472, 5948, 6840, 7435, 8922, 9120, 11896, 13383, 13680, 14870, 17844, 22305, 23792, 26766, 27360, 28253, 29740, 35688, 44610, 47584, 53532, 56506, 59480, 66915, 71376, 84759, 89220, 107064, 113012, 118960, 133830, 141265, 142752, 169518, 178440, 214128, 226024, 237920, 254277, 267660, 282530, 339036, 356880, 423795, 428256, 452048, 508554, 535320, 565060, 678072, 713760, 847590, 904096, 1017108, 1070640, 1130120, 1271385, 1356144, 1695180, 2034216, 2141280, 2260240, 2542770, 2712288, 3390360, 4068432, 4520480, 5085540, 6780720, 8136864, 10171080, 13561440, 20342160, 40684320]

約数ペア:

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