19472640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{461}}^1$

素因数の和:496

約数の個数: 144

約数和(自身を含む): 67991616

約数和(自身を除く): 48518976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 256, 264, 320, 330, 352, 384, 440, 461, 480, 528, 640, 660, 704, 768, 880, 922, 960, 1056, 1280, 1320, 1383, 1408, 1760, 1844, 1920, 2112, 2305, 2640, 2766, 2816, 3520, 3688, 3840, 4224, 4610, 5071, 5280, 5532, 6915, 7040, 7376, 8448, 9220, 10142, 10560, 11064, 13830, 14080, 14752, 15213, 18440, 20284, 21120, 22128, 25355, 27660, 29504, 30426, 36880, 40568, 42240, 44256, 50710, 55320, 59008, 60852, 73760, 76065, 81136, 88512, 101420, 110640, 118016, 121704, 147520, 152130, 162272, 177024, 202840, 221280, 243408, 295040, 304260, 324544, 354048, 405680, 442560, 486816, 590080, 608520, 649088, 811360, 885120, 973632, 1217040, 1298176, 1622720, 1770240, 1947264, 2434080, 3245440, 3894528, 4868160, 6490880, 9736320, 19472640]

約数ペア:

[(1, 19472640), (2, 9736320), (3, 6490880), (4, 4868160), (5, 3894528), (6, 3245440), (8, 2434080), (10, 1947264), (11, 1770240), (12, 1622720), (15, 1298176), (16, 1217040), (20, 973632), (22, 885120), (24, 811360), (30, 649088), (32, 608520), (33, 590080), (40, 486816), (44, 442560), (48, 405680), (55, 354048), (60, 324544), (64, 304260), (66, 295040), (80, 243408), (88, 221280), (96, 202840), (110, 177024), (120, 162272), (128, 152130), (132, 147520), (160, 121704), (165, 118016), (176, 110640), (192, 101420), (220, 88512), (240, 81136), (256, 76065), (264, 73760), (320, 60852), (330, 59008), (352, 55320), (384, 50710), (440, 44256), (461, 42240), (480, 40568), (528, 36880), (640, 30426), (660, 29504), (704, 27660), (768, 25355), (880, 22128), (922, 21120), (960, 20284), (1056, 18440), (1280, 15213), (1320, 14752), (1383, 14080), (1408, 13830), (1760, 11064), (1844, 10560), (1920, 10142), (2112, 9220), (2305, 8448), (2640, 7376), (2766, 7040), (2816, 6915), (3520, 5532), (3688, 5280), (3840, 5071), (4224, 4610)]