156967120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{547}}^1$

素因数の和:788

約数の個数: 80

約数和(自身を含む): 388957248

約数和(自身を除く): 231990128

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 211, 272, 340, 422, 547, 680, 844, 1055, 1094, 1360, 1688, 2110, 2188, 2735, 3376, 3587, 4220, 4376, 5470, 7174, 8440, 8752, 9299, 10940, 14348, 16880, 17935, 18598, 21880, 28696, 35870, 37196, 43760, 46495, 57392, 71740, 74392, 92990, 115417, 143480, 148784, 185980, 230834, 286960, 371960, 461668, 577085, 743920, 923336, 1154170, 1846672, 1962089, 2308340, 3924178, 4616680, 7848356, 9233360, 9810445, 15696712, 19620890, 31393424, 39241780, 78483560, 156967120]

約数ペア:

[(1, 156967120), (2, 78483560), (4, 39241780), (5, 31393424), (8, 19620890), (10, 15696712), (16, 9810445), (17, 9233360), (20, 7848356), (34, 4616680), (40, 3924178), (68, 2308340), (80, 1962089), (85, 1846672), (136, 1154170), (170, 923336), (211, 743920), (272, 577085), (340, 461668), (422, 371960), (547, 286960), (680, 230834), (844, 185980), (1055, 148784), (1094, 143480), (1360, 115417), (1688, 92990), (2110, 74392), (2188, 71740), (2735, 57392), (3376, 46495), (3587, 43760), (4220, 37196), (4376, 35870), (5470, 28696), (7174, 21880), (8440, 18598), (8752, 17935), (9299, 16880), (10940, 14348)]