18560640

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{1381}}^1$

素因数の和:1410

約数の個数: 128

約数和(自身を含む): 67662720

約数和(自身を除く): 49102080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1381, 1680, 1920, 2240, 2688, 2762, 3360, 4143, 4480, 5524, 6720, 6905, 8286, 9667, 11048, 13440, 13810, 16572, 19334, 20715, 22096, 27620, 29001, 33144, 38668, 41430, 44192, 48335, 55240, 58002, 66288, 77336, 82860, 88384, 96670, 110480, 116004, 132576, 145005, 154672, 165720, 176768, 193340, 220960, 232008, 265152, 290010, 309344, 331440, 386680, 441920, 464016, 530304, 580020, 618688, 662880, 773360, 883840, 928032, 1160040, 1237376, 1325760, 1546720, 1856064, 2320080, 2651520, 3093440, 3712128, 4640160, 6186880, 9280320, 18560640]

約数ペア:

[(1, 18560640), (2, 9280320), (3, 6186880), (4, 4640160), (5, 3712128), (6, 3093440), (7, 2651520), (8, 2320080), (10, 1856064), (12, 1546720), (14, 1325760), (15, 1237376), (16, 1160040), (20, 928032), (21, 883840), (24, 773360), (28, 662880), (30, 618688), (32, 580020), (35, 530304), (40, 464016), (42, 441920), (48, 386680), (56, 331440), (60, 309344), (64, 290010), (70, 265152), (80, 232008), (84, 220960), (96, 193340), (105, 176768), (112, 165720), (120, 154672), (128, 145005), (140, 132576), (160, 116004), (168, 110480), (192, 96670), (210, 88384), (224, 82860), (240, 77336), (280, 66288), (320, 58002), (336, 55240), (384, 48335), (420, 44192), (448, 41430), (480, 38668), (560, 33144), (640, 29001), (672, 27620), (840, 22096), (896, 20715), (960, 19334), (1120, 16572), (1344, 13810), (1381, 13440), (1680, 11048), (1920, 9667), (2240, 8286), (2688, 6905), (2762, 6720), (3360, 5524), (4143, 4480)]