901646720

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{353}}^1$

素因数の和:692

約数の個数: 128

約数和(自身を含む): 2335465440

約数和(自身を除く): 1433818720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 307, 320, 353, 416, 520, 614, 640, 706, 832, 1040, 1228, 1412, 1535, 1664, 1765, 2080, 2456, 2824, 3070, 3530, 3991, 4160, 4589, 4912, 5648, 6140, 7060, 7982, 8320, 9178, 9824, 11296, 12280, 14120, 15964, 18356, 19648, 19955, 22592, 22945, 24560, 28240, 31928, 36712, 39296, 39910, 45184, 45890, 49120, 56480, 63856, 73424, 79820, 91780, 98240, 108371, 112960, 127712, 146848, 159640, 183560, 196480, 216742, 225920, 255424, 293696, 319280, 367120, 433484, 510848, 541855, 587392, 638560, 734240, 866968, 1083710, 1277120, 1408823, 1468480, 1733936, 2167420, 2554240, 2817646, 2936960, 3467872, 4334840, 5635292, 6935744, 7044115, 8669680, 11270584, 13871488, 14088230, 17339360, 22541168, 28176460, 34678720, 45082336, 56352920, 69357440, 90164672, 112705840, 180329344, 225411680, 450823360, 901646720]

約数ペア:

[(1, 901646720), (2, 450823360), (4, 225411680), (5, 180329344), (8, 112705840), (10, 90164672), (13, 69357440), (16, 56352920), (20, 45082336), (26, 34678720), (32, 28176460), (40, 22541168), (52, 17339360), (64, 14088230), (65, 13871488), (80, 11270584), (104, 8669680), (128, 7044115), (130, 6935744), (160, 5635292), (208, 4334840), (260, 3467872), (307, 2936960), (320, 2817646), (353, 2554240), (416, 2167420), (520, 1733936), (614, 1468480), (640, 1408823), (706, 1277120), (832, 1083710), (1040, 866968), (1228, 734240), (1412, 638560), (1535, 587392), (1664, 541855), (1765, 510848), (2080, 433484), (2456, 367120), (2824, 319280), (3070, 293696), (3530, 255424), (3991, 225920), (4160, 216742), (4589, 196480), (4912, 183560), (5648, 159640), (6140, 146848), (7060, 127712), (7982, 112960), (8320, 108371), (9178, 98240), (9824, 91780), (11296, 79820), (12280, 73424), (14120, 63856), (15964, 56480), (18356, 49120), (19648, 45890), (19955, 45184), (22592, 39910), (22945, 39296), (24560, 36712), (28240, 31928)]