18303840

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:266

約数の個数: 192

約数和(自身を含む): 67737600

約数和(自身を除く): 49433760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 171, 180, 190, 216, 223, 228, 240, 270, 285, 288, 304, 342, 360, 380, 432, 446, 456, 480, 513, 540, 570, 608, 669, 684, 720, 760, 855, 864, 892, 912, 1026, 1080, 1115, 1140, 1338, 1368, 1440, 1520, 1710, 1784, 1824, 2007, 2052, 2160, 2230, 2280, 2565, 2676, 2736, 3040, 3345, 3420, 3568, 4014, 4104, 4237, 4320, 4460, 4560, 5130, 5352, 5472, 6021, 6690, 6840, 7136, 8028, 8208, 8474, 8920, 9120, 10035, 10260, 10704, 12042, 12711, 13380, 13680, 16056, 16416, 16948, 17840, 20070, 20520, 21185, 21408, 24084, 25422, 26760, 27360, 30105, 32112, 33896, 35680, 38133, 40140, 41040, 42370, 48168, 50844, 53520, 60210, 63555, 64224, 67792, 76266, 80280, 82080, 84740, 96336, 101688, 107040, 114399, 120420, 127110, 135584, 152532, 160560, 169480, 190665, 192672, 203376, 228798, 240840, 254220, 305064, 321120, 338960, 381330, 406752, 457596, 481680, 508440, 571995, 610128, 677920, 762660, 915192, 963360, 1016880, 1143990, 1220256, 1525320, 1830384, 2033760, 2287980, 3050640, 3660768, 4575960, 6101280, 9151920, 18303840]

約数ペア:

[(1, 18303840), (2, 9151920), (3, 6101280), (4, 4575960), (5, 3660768), (6, 3050640), (8, 2287980), (9, 2033760), (10, 1830384), (12, 1525320), (15, 1220256), (16, 1143990), (18, 1016880), (19, 963360), (20, 915192), (24, 762660), (27, 677920), (30, 610128), (32, 571995), (36, 508440), (38, 481680), (40, 457596), (45, 406752), (48, 381330), (54, 338960), (57, 321120), (60, 305064), (72, 254220), (76, 240840), (80, 228798), (90, 203376), (95, 192672), (96, 190665), (108, 169480), (114, 160560), (120, 152532), (135, 135584), (144, 127110), (152, 120420), (160, 114399), (171, 107040), (180, 101688), (190, 96336), (216, 84740), (223, 82080), (228, 80280), (240, 76266), (270, 67792), (285, 64224), (288, 63555), (304, 60210), (342, 53520), (360, 50844), (380, 48168), (432, 42370), (446, 41040), (456, 40140), (480, 38133), (513, 35680), (540, 33896), (570, 32112), (608, 30105), (669, 27360), (684, 26760), (720, 25422), (760, 24084), (855, 21408), (864, 21185), (892, 20520), (912, 20070), (1026, 17840), (1080, 16948), (1115, 16416), (1140, 16056), (1338, 13680), (1368, 13380), (1440, 12711), (1520, 12042), (1710, 10704), (1784, 10260), (1824, 10035), (2007, 9120), (2052, 8920), (2160, 8474), (2230, 8208), (2280, 8028), (2565, 7136), (2676, 6840), (2736, 6690), (3040, 6021), (3345, 5472), (3420, 5352), (3568, 5130), (4014, 4560), (4104, 4460), (4237, 4320)]