1397231640

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{439}}^1$

素因数の和:887

約数の個数: 256

約数和(自身を含む): 5347584000

約数和(自身を除く): 3950352360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 421, 439, 504, 540, 630, 756, 840, 842, 878, 945, 1080, 1260, 1263, 1317, 1512, 1684, 1756, 1890, 2105, 2195, 2520, 2526, 2634, 2947, 3073, 3368, 3512, 3780, 3789, 3951, 4210, 4390, 5052, 5268, 5894, 6146, 6315, 6585, 7560, 7578, 7902, 8420, 8780, 8841, 9219, 10104, 10536, 11367, 11788, 11853, 12292, 12630, 13170, 14735, 15156, 15365, 15804, 16840, 17560, 17682, 18438, 18945, 19755, 22734, 23576, 23706, 24584, 25260, 26340, 26523, 27657, 29470, 30312, 30730, 31608, 35364, 36876, 37890, 39510, 44205, 45468, 46095, 47412, 50520, 52680, 53046, 55314, 56835, 58940, 59265, 61460, 70728, 73752, 75780, 79020, 79569, 82971, 88410, 90936, 92190, 94824, 106092, 110628, 113670, 117880, 118530, 122920, 132615, 138285, 151560, 158040, 159138, 165942, 176820, 184380, 184819, 212184, 221256, 227340, 237060, 265230, 276570, 318276, 331884, 353640, 368760, 369638, 397845, 414855, 454680, 474120, 530460, 553140, 554457, 636552, 663768, 739276, 795690, 829710, 924095, 1060920, 1106280, 1108914, 1293733, 1478552, 1591380, 1659420, 1663371, 1848190, 2217828, 2587466, 2772285, 3182760, 3318840, 3326742, 3696380, 3881199, 4435656, 4990113, 5174932, 5544570, 6468665, 6653484, 7392760, 7762398, 8316855, 9980226, 10349864, 11089140, 11643597, 12937330, 13306968, 15524796, 16633710, 19405995, 19960452, 22178280, 23287194, 24950565, 25874660, 31049592, 33267420, 34930791, 38811990, 39920904, 46574388, 49901130, 51749320, 58217985, 66534840, 69861582, 77623980, 93148776, 99802260, 116435970, 139723164, 155247960, 174653955, 199604520, 232871940, 279446328, 349307910, 465743880, 698615820, 1397231640]

約数ペア:

[(1, 1397231640), (2, 698615820), (3, 465743880), (4, 349307910), (5, 279446328), (6, 232871940), (7, 199604520), (8, 174653955), (9, 155247960), (10, 139723164), (12, 116435970), (14, 99802260), (15, 93148776), (18, 77623980), (20, 69861582), (21, 66534840), (24, 58217985), (27, 51749320), (28, 49901130), (30, 46574388), (35, 39920904), (36, 38811990), (40, 34930791), (42, 33267420), (45, 31049592), (54, 25874660), (56, 24950565), (60, 23287194), (63, 22178280), (70, 19960452), (72, 19405995), (84, 16633710), (90, 15524796), (105, 13306968), (108, 12937330), (120, 11643597), (126, 11089140), (135, 10349864), (140, 9980226), (168, 8316855), (180, 7762398), (189, 7392760), (210, 6653484), (216, 6468665), (252, 5544570), (270, 5174932), (280, 4990113), (315, 4435656), (360, 3881199), (378, 3696380), (420, 3326742), (421, 3318840), (439, 3182760), (504, 2772285), (540, 2587466), (630, 2217828), (756, 1848190), (840, 1663371), (842, 1659420), (878, 1591380), (945, 1478552), (1080, 1293733), (1260, 1108914), (1263, 1106280), (1317, 1060920), (1512, 924095), (1684, 829710), (1756, 795690), (1890, 739276), (2105, 663768), (2195, 636552), (2520, 554457), (2526, 553140), (2634, 530460), (2947, 474120), (3073, 454680), (3368, 414855), (3512, 397845), (3780, 369638), (3789, 368760), (3951, 353640), (4210, 331884), (4390, 318276), (5052, 276570), (5268, 265230), (5894, 237060), (6146, 227340), (6315, 221256), (6585, 212184), (7560, 184819), (7578, 184380), (7902, 176820), (8420, 165942), (8780, 159138), (8841, 158040), (9219, 151560), (10104, 138285), (10536, 132615), (11367, 122920), (11788, 118530), (11853, 117880), (12292, 113670), (12630, 110628), (13170, 106092), (14735, 94824), (15156, 92190), (15365, 90936), (15804, 88410), (16840, 82971), (17560, 79569), (17682, 79020), (18438, 75780), (18945, 73752), (19755, 70728), (22734, 61460), (23576, 59265), (23706, 58940), (24584, 56835), (25260, 55314), (26340, 53046), (26523, 52680), (27657, 50520), (29470, 47412), (30312, 46095), (30730, 45468), (31608, 44205), (35364, 39510), (36876, 37890)]