78352720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{439}}^1$

素因数の和:572

約数の個数: 80

約数和(自身を含む): 192487680

約数和(自身を除く): 114134960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 97, 115, 184, 194, 230, 368, 388, 439, 460, 485, 776, 878, 920, 970, 1552, 1756, 1840, 1940, 2195, 2231, 3512, 3880, 4390, 4462, 7024, 7760, 8780, 8924, 10097, 11155, 17560, 17848, 20194, 22310, 35120, 35696, 40388, 42583, 44620, 50485, 80776, 85166, 89240, 100970, 161552, 170332, 178480, 201940, 212915, 340664, 403880, 425830, 681328, 807760, 851660, 979409, 1703320, 1958818, 3406640, 3917636, 4897045, 7835272, 9794090, 15670544, 19588180, 39176360, 78352720]

約数ペア:

[(1, 78352720), (2, 39176360), (4, 19588180), (5, 15670544), (8, 9794090), (10, 7835272), (16, 4897045), (20, 3917636), (23, 3406640), (40, 1958818), (46, 1703320), (80, 979409), (92, 851660), (97, 807760), (115, 681328), (184, 425830), (194, 403880), (230, 340664), (368, 212915), (388, 201940), (439, 178480), (460, 170332), (485, 161552), (776, 100970), (878, 89240), (920, 85166), (970, 80776), (1552, 50485), (1756, 44620), (1840, 42583), (1940, 40388), (2195, 35696), (2231, 35120), (3512, 22310), (3880, 20194), (4390, 17848), (4462, 17560), (7024, 11155), (7760, 10097), (8780, 8924)]