123311520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4507}}^1$

素因数の和:4547

約数の個数: 144

約数和(自身を含む): 443046240

約数和(自身を除く): 319734720

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, 1520, 1710, 1824, 2280, 2736, 3040, 3420, 4507, 4560, 5472, 6840, 9014, 9120, 13521, 13680, 18028, 22535, 27042, 27360, 36056, 40563, 45070, 54084, 67605, 72112, 81126, 85633, 90140, 108168, 135210, 144224, 162252, 171266, 180280, 202815, 216336, 256899, 270420, 324504, 342532, 360560, 405630, 428165, 432672, 513798, 540840, 649008, 685064, 721120, 770697, 811260, 856330, 1027596, 1081680, 1284495, 1298016, 1370128, 1541394, 1622520, 1712660, 2055192, 2163360, 2568990, 2740256, 3082788, 3245040, 3425320, 3853485, 4110384, 5137980, 6165576, 6490080, 6850640, 7706970, 8220768, 10275960, 12331152, 13701280, 15413940, 20551920, 24662304, 30827880, 41103840, 61655760, 123311520]

約数ペア:

[(1, 123311520), (2, 61655760), (3, 41103840), (4, 30827880), (5, 24662304), (6, 20551920), (8, 15413940), (9, 13701280), (10, 12331152), (12, 10275960), (15, 8220768), (16, 7706970), (18, 6850640), (19, 6490080), (20, 6165576), (24, 5137980), (30, 4110384), (32, 3853485), (36, 3425320), (38, 3245040), (40, 3082788), (45, 2740256), (48, 2568990), (57, 2163360), (60, 2055192), (72, 1712660), (76, 1622520), (80, 1541394), (90, 1370128), (95, 1298016), (96, 1284495), (114, 1081680), (120, 1027596), (144, 856330), (152, 811260), (160, 770697), (171, 721120), (180, 685064), (190, 649008), (228, 540840), (240, 513798), (285, 432672), (288, 428165), (304, 405630), (342, 360560), (360, 342532), (380, 324504), (456, 270420), (480, 256899), (570, 216336), (608, 202815), (684, 180280), (720, 171266), (760, 162252), (855, 144224), (912, 135210), (1140, 108168), (1368, 90140), (1440, 85633), (1520, 81126), (1710, 72112), (1824, 67605), (2280, 54084), (2736, 45070), (3040, 40563), (3420, 36056), (4507, 27360), (4560, 27042), (5472, 22535), (6840, 18028), (9014, 13680), (9120, 13521)]