18287360

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:198

約数の個数: 144

約数和(自身を含む): 54255936

約数和(自身を除く): 35968576

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 157, 160, 182, 208, 224, 256, 260, 280, 314, 320, 364, 416, 448, 455, 520, 560, 628, 640, 728, 785, 832, 896, 910, 1040, 1099, 1120, 1256, 1280, 1456, 1570, 1664, 1792, 1820, 2041, 2080, 2198, 2240, 2512, 2912, 3140, 3328, 3640, 4082, 4160, 4396, 4480, 5024, 5495, 5824, 6280, 7280, 8164, 8320, 8792, 8960, 10048, 10205, 10990, 11648, 12560, 14287, 14560, 16328, 16640, 17584, 20096, 20410, 21980, 23296, 25120, 28574, 29120, 32656, 35168, 40192, 40820, 43960, 50240, 57148, 58240, 65312, 70336, 71435, 81640, 87920, 100480, 114296, 116480, 130624, 140672, 142870, 163280, 175840, 200960, 228592, 261248, 281344, 285740, 326560, 351680, 457184, 522496, 571480, 653120, 703360, 914368, 1142960, 1306240, 1406720, 1828736, 2285920, 2612480, 3657472, 4571840, 9143680, 18287360]

約数ペア:

[(1, 18287360), (2, 9143680), (4, 4571840), (5, 3657472), (7, 2612480), (8, 2285920), (10, 1828736), (13, 1406720), (14, 1306240), (16, 1142960), (20, 914368), (26, 703360), (28, 653120), (32, 571480), (35, 522496), (40, 457184), (52, 351680), (56, 326560), (64, 285740), (65, 281344), (70, 261248), (80, 228592), (91, 200960), (104, 175840), (112, 163280), (128, 142870), (130, 140672), (140, 130624), (157, 116480), (160, 114296), (182, 100480), (208, 87920), (224, 81640), (256, 71435), (260, 70336), (280, 65312), (314, 58240), (320, 57148), (364, 50240), (416, 43960), (448, 40820), (455, 40192), (520, 35168), (560, 32656), (628, 29120), (640, 28574), (728, 25120), (785, 23296), (832, 21980), (896, 20410), (910, 20096), (1040, 17584), (1099, 16640), (1120, 16328), (1256, 14560), (1280, 14287), (1456, 12560), (1570, 11648), (1664, 10990), (1792, 10205), (1820, 10048), (2041, 8960), (2080, 8792), (2198, 8320), (2240, 8164), (2512, 7280), (2912, 6280), (3140, 5824), (3328, 5495), (3640, 5024), (4082, 4480), (4160, 4396)]