77796640

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:354

約数の個数: 96

約数和(自身を含む): 195894720

約数和(自身を除く): 118098080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 157, 160, 163, 190, 304, 314, 326, 380, 608, 628, 652, 760, 785, 815, 1256, 1304, 1520, 1570, 1630, 2512, 2608, 2983, 3040, 3097, 3140, 3260, 5024, 5216, 5966, 6194, 6280, 6520, 11932, 12388, 12560, 13040, 14915, 15485, 23864, 24776, 25120, 25591, 26080, 29830, 30970, 47728, 49552, 51182, 59660, 61940, 95456, 99104, 102364, 119320, 123880, 127955, 204728, 238640, 247760, 255910, 409456, 477280, 486229, 495520, 511820, 818912, 972458, 1023640, 1944916, 2047280, 2431145, 3889832, 4094560, 4862290, 7779664, 9724580, 15559328, 19449160, 38898320, 77796640]

約数ペア:

[(1, 77796640), (2, 38898320), (4, 19449160), (5, 15559328), (8, 9724580), (10, 7779664), (16, 4862290), (19, 4094560), (20, 3889832), (32, 2431145), (38, 2047280), (40, 1944916), (76, 1023640), (80, 972458), (95, 818912), (152, 511820), (157, 495520), (160, 486229), (163, 477280), (190, 409456), (304, 255910), (314, 247760), (326, 238640), (380, 204728), (608, 127955), (628, 123880), (652, 119320), (760, 102364), (785, 99104), (815, 95456), (1256, 61940), (1304, 59660), (1520, 51182), (1570, 49552), (1630, 47728), (2512, 30970), (2608, 29830), (2983, 26080), (3040, 25591), (3097, 25120), (3140, 24776), (3260, 23864), (5024, 15485), (5216, 14915), (5966, 13040), (6194, 12560), (6280, 12388), (6520, 11932)]