157006920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{457}}^1$

素因数の和:887

約数の個数: 128

約数和(自身を含む): 540806400

約数和(自身を除く): 383799480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 409, 420, 457, 818, 840, 914, 1227, 1371, 1636, 1828, 2045, 2285, 2454, 2742, 2863, 3199, 3272, 3656, 4090, 4570, 4908, 5484, 5726, 6135, 6398, 6855, 8180, 8589, 9140, 9597, 9816, 10968, 11452, 12270, 12796, 13710, 14315, 15995, 16360, 17178, 18280, 19194, 22904, 24540, 25592, 27420, 28630, 31990, 34356, 38388, 42945, 47985, 49080, 54840, 57260, 63980, 68712, 76776, 85890, 95970, 114520, 127960, 171780, 186913, 191940, 343560, 373826, 383880, 560739, 747652, 934565, 1121478, 1308391, 1495304, 1869130, 2242956, 2616782, 2803695, 3738260, 3925173, 4485912, 5233564, 5607390, 6541955, 7476520, 7850346, 10467128, 11214780, 13083910, 15700692, 19625865, 22429560, 26167820, 31401384, 39251730, 52335640, 78503460, 157006920]

約数ペア:

[(1, 157006920), (2, 78503460), (3, 52335640), (4, 39251730), (5, 31401384), (6, 26167820), (7, 22429560), (8, 19625865), (10, 15700692), (12, 13083910), (14, 11214780), (15, 10467128), (20, 7850346), (21, 7476520), (24, 6541955), (28, 5607390), (30, 5233564), (35, 4485912), (40, 3925173), (42, 3738260), (56, 2803695), (60, 2616782), (70, 2242956), (84, 1869130), (105, 1495304), (120, 1308391), (140, 1121478), (168, 934565), (210, 747652), (280, 560739), (409, 383880), (420, 373826), (457, 343560), (818, 191940), (840, 186913), (914, 171780), (1227, 127960), (1371, 114520), (1636, 95970), (1828, 85890), (2045, 76776), (2285, 68712), (2454, 63980), (2742, 57260), (2863, 54840), (3199, 49080), (3272, 47985), (3656, 42945), (4090, 38388), (4570, 34356), (4908, 31990), (5484, 28630), (5726, 27420), (6135, 25592), (6398, 24540), (6855, 22904), (8180, 19194), (8589, 18280), (9140, 17178), (9597, 16360), (9816, 15995), (10968, 14315), (11452, 13710), (12270, 12796)]