16387840

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:118

約数の個数: 144

約数和(自身を含む): 47093760

約数和(自身を除く): 30705920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 59, 62, 64, 70, 80, 112, 118, 124, 128, 140, 155, 160, 217, 224, 236, 248, 256, 280, 295, 310, 320, 413, 434, 448, 472, 496, 560, 590, 620, 640, 826, 868, 896, 944, 992, 1085, 1120, 1180, 1240, 1280, 1652, 1736, 1792, 1829, 1888, 1984, 2065, 2170, 2240, 2360, 2480, 3304, 3472, 3658, 3776, 3968, 4130, 4340, 4480, 4720, 4960, 6608, 6944, 7316, 7552, 7936, 8260, 8680, 8960, 9145, 9440, 9920, 12803, 13216, 13888, 14632, 15104, 16520, 17360, 18290, 18880, 19840, 25606, 26432, 27776, 29264, 33040, 34720, 36580, 37760, 39680, 51212, 52864, 55552, 58528, 64015, 66080, 69440, 73160, 75520, 102424, 105728, 117056, 128030, 132160, 138880, 146320, 204848, 234112, 256060, 264320, 277760, 292640, 409696, 468224, 512120, 528640, 585280, 819392, 1024240, 1170560, 1638784, 2048480, 2341120, 3277568, 4096960, 8193920, 16387840]

約数ペア:

[(1, 16387840), (2, 8193920), (4, 4096960), (5, 3277568), (7, 2341120), (8, 2048480), (10, 1638784), (14, 1170560), (16, 1024240), (20, 819392), (28, 585280), (31, 528640), (32, 512120), (35, 468224), (40, 409696), (56, 292640), (59, 277760), (62, 264320), (64, 256060), (70, 234112), (80, 204848), (112, 146320), (118, 138880), (124, 132160), (128, 128030), (140, 117056), (155, 105728), (160, 102424), (217, 75520), (224, 73160), (236, 69440), (248, 66080), (256, 64015), (280, 58528), (295, 55552), (310, 52864), (320, 51212), (413, 39680), (434, 37760), (448, 36580), (472, 34720), (496, 33040), (560, 29264), (590, 27776), (620, 26432), (640, 25606), (826, 19840), (868, 18880), (896, 18290), (944, 17360), (992, 16520), (1085, 15104), (1120, 14632), (1180, 13888), (1240, 13216), (1280, 12803), (1652, 9920), (1736, 9440), (1792, 9145), (1829, 8960), (1888, 8680), (1984, 8260), (2065, 7936), (2170, 7552), (2240, 7316), (2360, 6944), (2480, 6608), (3304, 4960), (3472, 4720), (3658, 4480), (3776, 4340), (3968, 4130)]