155161720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{881}}^1$

素因数の和:953

約数の個数: 128

約数和(自身を含む): 434367360

約数和(自身を除く): 279205640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 37, 40, 56, 68, 70, 74, 85, 119, 136, 140, 148, 170, 185, 238, 259, 280, 296, 340, 370, 476, 518, 595, 629, 680, 740, 881, 952, 1036, 1190, 1258, 1295, 1480, 1762, 2072, 2380, 2516, 2590, 3145, 3524, 4403, 4405, 4760, 5032, 5180, 6167, 6290, 7048, 8806, 8810, 10360, 12334, 12580, 14977, 17612, 17620, 22015, 24668, 25160, 29954, 30835, 32597, 35224, 35240, 44030, 49336, 59908, 61670, 65194, 74885, 88060, 104839, 119816, 123340, 130388, 149770, 162985, 176120, 209678, 228179, 246680, 260776, 299540, 325970, 419356, 456358, 524195, 554149, 599080, 651940, 838712, 912716, 1048390, 1108298, 1140895, 1303880, 1825432, 2096780, 2216596, 2281790, 2770745, 3879043, 4193560, 4433192, 4563580, 5541490, 7758086, 9127160, 11082980, 15516172, 19395215, 22165960, 31032344, 38790430, 77580860, 155161720]

約数ペア:

[(1, 155161720), (2, 77580860), (4, 38790430), (5, 31032344), (7, 22165960), (8, 19395215), (10, 15516172), (14, 11082980), (17, 9127160), (20, 7758086), (28, 5541490), (34, 4563580), (35, 4433192), (37, 4193560), (40, 3879043), (56, 2770745), (68, 2281790), (70, 2216596), (74, 2096780), (85, 1825432), (119, 1303880), (136, 1140895), (140, 1108298), (148, 1048390), (170, 912716), (185, 838712), (238, 651940), (259, 599080), (280, 554149), (296, 524195), (340, 456358), (370, 419356), (476, 325970), (518, 299540), (595, 260776), (629, 246680), (680, 228179), (740, 209678), (881, 176120), (952, 162985), (1036, 149770), (1190, 130388), (1258, 123340), (1295, 119816), (1480, 104839), (1762, 88060), (2072, 74885), (2380, 65194), (2516, 61670), (2590, 59908), (3145, 49336), (3524, 44030), (4403, 35240), (4405, 35224), (4760, 32597), (5032, 30835), (5180, 29954), (6167, 25160), (6290, 24668), (7048, 22015), (8806, 17620), (8810, 17612), (10360, 14977), (12334, 12580)]