78253040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{353}}^1$

素因数の和:546

約数の個数: 80

約数和(自身を含む): 194371488

約数和(自身を除く): 116118448

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 163, 170, 272, 326, 340, 353, 652, 680, 706, 815, 1304, 1360, 1412, 1630, 1765, 2608, 2771, 2824, 3260, 3530, 5542, 5648, 6001, 6520, 7060, 11084, 12002, 13040, 13855, 14120, 22168, 24004, 27710, 28240, 30005, 44336, 48008, 55420, 57539, 60010, 96016, 110840, 115078, 120020, 221680, 230156, 240040, 287695, 460312, 480080, 575390, 920624, 978163, 1150780, 1956326, 2301560, 3912652, 4603120, 4890815, 7825304, 9781630, 15650608, 19563260, 39126520, 78253040]

約数ペア:

[(1, 78253040), (2, 39126520), (4, 19563260), (5, 15650608), (8, 9781630), (10, 7825304), (16, 4890815), (17, 4603120), (20, 3912652), (34, 2301560), (40, 1956326), (68, 1150780), (80, 978163), (85, 920624), (136, 575390), (163, 480080), (170, 460312), (272, 287695), (326, 240040), (340, 230156), (353, 221680), (652, 120020), (680, 115078), (706, 110840), (815, 96016), (1304, 60010), (1360, 57539), (1412, 55420), (1630, 48008), (1765, 44336), (2608, 30005), (2771, 28240), (2824, 27710), (3260, 24004), (3530, 22168), (5542, 14120), (5648, 13855), (6001, 13040), (6520, 12002), (7060, 11084)]