880606720

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1$

素因数の和:500

約数の個数: 160

約数和(自身を含む): 2436147648

約数和(自身を除く): 1555540928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 157, 160, 224, 256, 280, 313, 314, 320, 448, 512, 560, 626, 628, 640, 785, 896, 1099, 1120, 1252, 1256, 1280, 1565, 1570, 1792, 2191, 2198, 2240, 2504, 2512, 2560, 3130, 3140, 3584, 4382, 4396, 4480, 5008, 5024, 5495, 6260, 6280, 8764, 8792, 8960, 10016, 10048, 10955, 10990, 12520, 12560, 17528, 17584, 17920, 20032, 20096, 21910, 21980, 25040, 25120, 35056, 35168, 40064, 40192, 43820, 43960, 49141, 50080, 50240, 70112, 70336, 80128, 80384, 87640, 87920, 98282, 100160, 100480, 140224, 140672, 160256, 175280, 175840, 196564, 200320, 200960, 245705, 280448, 281344, 343987, 350560, 351680, 393128, 400640, 401920, 491410, 560896, 562688, 687974, 701120, 703360, 786256, 801280, 982820, 1121792, 1375948, 1402240, 1406720, 1572512, 1719935, 1965640, 2751896, 2804480, 2813440, 3145024, 3439870, 3931280, 5503792, 5608960, 6290048, 6879740, 7862560, 11007584, 12580096, 13759480, 15725120, 22015168, 25160192, 27518960, 31450240, 44030336, 55037920, 62900480, 88060672, 110075840, 125800960, 176121344, 220151680, 440303360, 880606720]

約数ペア:

[(1, 880606720), (2, 440303360), (4, 220151680), (5, 176121344), (7, 125800960), (8, 110075840), (10, 88060672), (14, 62900480), (16, 55037920), (20, 44030336), (28, 31450240), (32, 27518960), (35, 25160192), (40, 22015168), (56, 15725120), (64, 13759480), (70, 12580096), (80, 11007584), (112, 7862560), (128, 6879740), (140, 6290048), (157, 5608960), (160, 5503792), (224, 3931280), (256, 3439870), (280, 3145024), (313, 2813440), (314, 2804480), (320, 2751896), (448, 1965640), (512, 1719935), (560, 1572512), (626, 1406720), (628, 1402240), (640, 1375948), (785, 1121792), (896, 982820), (1099, 801280), (1120, 786256), (1252, 703360), (1256, 701120), (1280, 687974), (1565, 562688), (1570, 560896), (1792, 491410), (2191, 401920), (2198, 400640), (2240, 393128), (2504, 351680), (2512, 350560), (2560, 343987), (3130, 281344), (3140, 280448), (3584, 245705), (4382, 200960), (4396, 200320), (4480, 196564), (5008, 175840), (5024, 175280), (5495, 160256), (6260, 140672), (6280, 140224), (8764, 100480), (8792, 100160), (8960, 98282), (10016, 87920), (10048, 87640), (10955, 80384), (10990, 80128), (12520, 70336), (12560, 70112), (17528, 50240), (17584, 50080), (17920, 49141), (20032, 43960), (20096, 43820), (21910, 40192), (21980, 40064), (25040, 35168), (25120, 35056)]