220151680

素因数分解:

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

素因数の和:496

約数の個数: 128

約数和(自身を含む): 607250880

約数和(自身を除く): 387099200

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, 280, 313, 314, 320, 448, 560, 626, 628, 640, 785, 896, 1099, 1120, 1252, 1256, 1565, 1570, 2191, 2198, 2240, 2504, 2512, 3130, 3140, 4382, 4396, 4480, 5008, 5024, 5495, 6260, 6280, 8764, 8792, 10016, 10048, 10955, 10990, 12520, 12560, 17528, 17584, 20032, 20096, 21910, 21980, 25040, 25120, 35056, 35168, 40064, 43820, 43960, 49141, 50080, 50240, 70112, 70336, 87640, 87920, 98282, 100160, 100480, 140224, 140672, 175280, 175840, 196564, 200320, 245705, 280448, 343987, 350560, 351680, 393128, 491410, 687974, 701120, 703360, 786256, 982820, 1375948, 1402240, 1572512, 1719935, 1965640, 2751896, 3145024, 3439870, 3931280, 5503792, 6290048, 6879740, 7862560, 11007584, 13759480, 15725120, 22015168, 27518960, 31450240, 44030336, 55037920, 110075840, 220151680]

約数ペア:

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