228701440

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1$

素因数の和:508

約数の個数: 144

約数和(自身を含む): 615162240

約数和(自身を除く): 386460800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 37, 40, 44, 55, 64, 74, 80, 88, 110, 128, 148, 160, 176, 185, 220, 256, 296, 320, 352, 370, 407, 439, 440, 592, 640, 704, 740, 814, 878, 880, 1184, 1280, 1408, 1480, 1628, 1756, 1760, 2035, 2195, 2368, 2816, 2960, 3256, 3512, 3520, 4070, 4390, 4736, 4829, 5920, 6512, 7024, 7040, 8140, 8780, 9472, 9658, 11840, 13024, 14048, 14080, 16243, 16280, 17560, 19316, 23680, 24145, 26048, 28096, 32486, 32560, 35120, 38632, 47360, 48290, 52096, 56192, 64972, 65120, 70240, 77264, 81215, 96580, 104192, 112384, 129944, 130240, 140480, 154528, 162430, 178673, 193160, 259888, 260480, 280960, 309056, 324860, 357346, 386320, 519776, 520960, 561920, 618112, 649720, 714692, 772640, 893365, 1039552, 1236224, 1299440, 1429384, 1545280, 1786730, 2079104, 2598880, 2858768, 3090560, 3573460, 4158208, 5197760, 5717536, 6181120, 7146920, 10395520, 11435072, 14293840, 20791040, 22870144, 28587680, 45740288, 57175360, 114350720, 228701440]

約数ペア:

[(1, 228701440), (2, 114350720), (4, 57175360), (5, 45740288), (8, 28587680), (10, 22870144), (11, 20791040), (16, 14293840), (20, 11435072), (22, 10395520), (32, 7146920), (37, 6181120), (40, 5717536), (44, 5197760), (55, 4158208), (64, 3573460), (74, 3090560), (80, 2858768), (88, 2598880), (110, 2079104), (128, 1786730), (148, 1545280), (160, 1429384), (176, 1299440), (185, 1236224), (220, 1039552), (256, 893365), (296, 772640), (320, 714692), (352, 649720), (370, 618112), (407, 561920), (439, 520960), (440, 519776), (592, 386320), (640, 357346), (704, 324860), (740, 309056), (814, 280960), (878, 260480), (880, 259888), (1184, 193160), (1280, 178673), (1408, 162430), (1480, 154528), (1628, 140480), (1756, 130240), (1760, 129944), (2035, 112384), (2195, 104192), (2368, 96580), (2816, 81215), (2960, 77264), (3256, 70240), (3512, 65120), (3520, 64972), (4070, 56192), (4390, 52096), (4736, 48290), (4829, 47360), (5920, 38632), (6512, 35120), (7024, 32560), (7040, 32486), (8140, 28096), (8780, 26048), (9472, 24145), (9658, 23680), (11840, 19316), (13024, 17560), (14048, 16280), (14080, 16243)]